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Lignified and differentiated tissues produced on woody plants as a response to wounding.
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Add RecommendationAdd TagsView All Assigned TagsFungal decay of wood in which both cellulose and lignin are broken down.
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Add RecommendationAdd TagsView All Assigned TagsA long-chain, insoluble glucose polymer that is found in the cell wall of most plants.
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Add RecommendationAdd TagsView All Assigned TagsThe growth response in a tree stem or branch triggered by continuous flexing.
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An indicator that definitively confirms the presence of decay.
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Add RecommendationAdd TagsView All Assigned TagsA crack occurring at the neutral plane between tension and compression stresses.
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Add RecommendationAdd TagsView All Assigned TagsA systematic process for identifying, analyzing, and evaluating tree risk.
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Add RecommendationAdd TagsView All Assigned TagsA crack in a tree that forms across the short axis of the trunk, stem, or root.
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Recording Drill — A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsAn organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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Add RecommendationAdd TagsView All Assigned TagsAn image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
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Add RecommendationAdd TagsView All Assigned Tags(1) People, property, or activities that could be injured, damaged, or disrupted by a tree failure. (2) The intended application site or pest.
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Target Zone
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Add RecommendationAdd TagsView All Assigned TagsFailure Mode
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Add RecommendationAdd TagsView All Assigned TagsConcentric Zone
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Add RecommendationAdd TagsView All Assigned TagsUrban Zone
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The fruiting body of a decay fungus, often observed as a mushroom-like structure growing on the tree.
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Add RecommendationAdd TagsView All Assigned TagsThe amount of time that targets are within a target zone.
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Add RecommendationAdd TagsView All Assigned TagsIn tree risk assessment, the specific period for which an assessment isdefined.
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Add RecommendationAdd TagsView All Assigned TagsThe predominant trunk angle from the vertical position.
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Level of Assessment
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Add RecommendationAdd TagsView All Assigned TagsLikelihood of Impact
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Add RecommendationAdd TagsView All Assigned TagsResidential Assessment Ratio
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Add RecommendationAdd TagsView All Assigned TagsTax Rate
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A feature, condition, or deformity of a tree that indicates a weak structure or instability, potentially contributing to tree failure.
Insignificant Defect
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Add RecommendationAdd TagsView All Assigned TagsLatent Defect
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Add RecommendationAdd TagsView All Assigned TagsStructural Defect
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Add RecommendationAdd TagsView All Assigned TagsPoor Peripheral Perfusion
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A separation in wood fibers characterized by narrow breaks or fissuresin stems or branches. Severe cracks can lead to tree or branch failure.
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Add RecommendationAdd TagsView All Assigned TagsThe location or manner in which failure can occur or has occurred in a tree, such as stem failure, root failure, or soil failure.
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Add RecommendationAdd TagsView All Assigned Tags(1) People, property, or activities that could be injured, damaged, ordisrupted by a tree failure. (2) The intended application site or pest.
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Add RecommendationAdd TagsView All Assigned TagsThe fruiting body of a decay fungus often observed as a mushroom-like structure growing on the tree.
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The effects or outcome of an event. In tree risk assessment, this may include personal injury, property damage, or disruption of activities due to the event.
Causes
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Add RecommendationAdd TagsView All Assigned TagsLikelihood
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Add RecommendationAdd TagsView All Assigned TagsInterdependence
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Add RecommendationAdd TagsView All Assigned TagsConsequences
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Decay located in the sapwood of a tree. It may damage or kill the bark and/or cambium. Fruiting bodies along the bark's surface often indicate this type of rot.
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Add RecommendationAdd TagsView All Assigned TagsReaction wood is found in gymnosperms and some angiosperms. It develops on the underside of branches or leaning trunks and is crucial in load-bearing and structural support.
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Add RecommendationAdd TagsView All Assigned TagsWood formed in leaning or crooked stems or on the lower or upper sides of branches as a response to counteract the effects of gravity.
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Add RecommendationAdd TagsView All Assigned TagsThe central wood in a branch or stem composed of dead cells. It is typically more resistant to decay, darker, and harder than the outer sapwood. Not all trees have heartwood.
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The common structural failure modes or resistance to failure for a specific tree species.
Likelihood Of Failure
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Add RecommendationAdd TagsView All Assigned TagsLevel of Assessment
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Add RecommendationAdd TagsView All Assigned TagsSpecies Failure Profile
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Add RecommendationAdd TagsView All Assigned TagsStructural Defect
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Fungal decay of wood in which both cellulose and lignin are broken down.
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Add RecommendationAdd TagsView All Assigned TagsThe decay of the lower trunk, trunk flare, or buttress roots in a tree. It is also known as butt rot.
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Add RecommendationAdd TagsView All Assigned TagsA type of wood rot caused by fungi that results in the breakdown of cellulose.
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Add RecommendationAdd TagsView All Assigned TagsIn tree risk assessment, the specific period for which an assessment is defined.
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The reproductive structure of a fungus that typically develops in diseased tissues. Their presence may indicate decay in a tree. Some are small and require a hand lens or microscopic examination to determine the fungus species.
Resistance
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Add RecommendationAdd TagsView All Assigned TagsTime Frame
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Add RecommendationAdd TagsView All Assigned TagsFruiting Body
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Add RecommendationAdd TagsView All Assigned TagsSapwood Rot
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An inspection of tree parts not visible from the ground, such as the trunk, stems, and branches. It is typically conducted by climbing the tree or using an aerial lifT and may also involve assessing internal decay.
Consequences Of Failure
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Add RecommendationAdd TagsView All Assigned TagsTarget Zone
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Add RecommendationAdd TagsView All Assigned TagsAerial Inspection
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Add RecommendationAdd TagsView All Assigned TagsLimited Visual Assessment
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A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsAn organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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Add RecommendationAdd TagsView All Assigned TagsThe production of new wood in response to loads to compensate for higher strain experienced. It includes various types of growth, such as reaction wood (compression and tension), flexure wood, and woundwood.
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Add RecommendationAdd TagsView All Assigned TagsReaction wood is found in gymnosperms and some angiosperms. It develops on the underside of branches or leaning trunks and is crucial in load-bearing and structural support.
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A detailed visual inspection of a tree and its surrounding site, which may include the use of simple tools. A tree risk assessor thoroughly examines the tree trunk, visible above-ground roots, branches, and the surrounding area.
Psychosocial Assessment
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Add RecommendationAdd TagsView All Assigned TagsBasic Assessment
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Add RecommendationAdd TagsView All Assigned TagsAdvanced Assessment
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Add RecommendationAdd TagsView All Assigned TagsInitial Assessment
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The probability or chance of a tree or tree part experiencing failure within a specified time frame.
Basic Assessment
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Add RecommendationAdd TagsView All Assigned TagsLikelihood of Impact
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Add RecommendationAdd TagsView All Assigned TagsDecision Making
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Add RecommendationAdd TagsView All Assigned TagsLikelihood of Failure
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An image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
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Add RecommendationAdd TagsView All Assigned TagsA separation in wood fibers characterized by narrow breaks or fissures in stems or branches. Severe cracks can lead to tree or branch failure.
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Add RecommendationAdd TagsView All Assigned TagsAn organic substance that permeates the secondary cell walls, providing thickness and strength to the cell and sometimes reducing susceptibility to decay and pest damage.
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Add RecommendationAdd TagsView All Assigned TagsA general term indicating the magnitude of force, pressure, or weight applied to a substance or material. It can refer to the cargo or weight to be borne or conveyed.
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Flexure Wood
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Add RecommendationAdd TagsView All Assigned TagsTension Wood
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Add RecommendationAdd TagsView All Assigned TagsCavity
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Add RecommendationAdd TagsView All Assigned TagsCompression Wood
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Lignified and differentiated tissues produced on woody plants as a response to wounding.
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Add RecommendationAdd TagsView All Assigned TagsA type of wood rot caused by fungi that results in the breakdown of cellulose.
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Add RecommendationAdd TagsView All Assigned TagsFungal decay of wood in which both cellulose and lignin are broken down.
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Add RecommendationAdd TagsView All Assigned TagsDecay of plant tissues characterized by the breakdown of tissues within the cell walls.
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The combination of the likelihood of an event and the severity of its potential consequences. In the context of trees, risk refers to the likelihood of a conflict or tree failure occurring and affecting a target, along with the severity of the associated consequences.
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Add RecommendationAdd TagsView All Assigned TagsRecording Drill - A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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Add RecommendationAdd TagsView All Assigned TagsA device that utilizes a jet of highly compressed air to excavate the soil. It minimizes damage to tree roots or underground structures like pipes and wires. Air excavation can reduce hazards associated with digging near pipes or wires.
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Add RecommendationAdd TagsView All Assigned TagsA bracket or shelf-shaped fruiting body produced by a basidiomycete decay fungus. It can be found on living or dead trees and coarse woody debris. Annual conks can have a fleshy or tough texture, while perennial conks are hard and woody. They are often associated with mycorrhizae (symbiotic relationships between fungi and plant roots)or wood and bark decay.
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The central wood in a branch or stem composed of dead cells. It is typically more resistant to decay, darker, and harder than the outer sapwood.
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Add RecommendationAdd TagsView All Assigned TagsDecay located in the sapwood of a tree. It may result in damage or death of the bark and/or cambium. Fruiting bodies along the bark's surface often indicate this type of rot.
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Add RecommendationAdd TagsView All Assigned TagsWood formed in leaning or crooked stems or on the lower or upper sides of branches as a response to counteract the effects of gravity.
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Add RecommendationAdd TagsView All Assigned TagsThe effects or outcome of an event. In tree risk assessment, consequences include personal injun-, property damage, or disruption of activities due to the event.
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Failure Potential
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Add RecommendationAdd TagsView All Assigned TagsDefinite Indicator
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Add RecommendationAdd TagsView All Assigned TagsConsequences
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Add RecommendationAdd TagsView All Assigned TagsPotential Indicator
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A form of reaction wood found in angiosperms that develops on the upper side of branches or the trunks of leaning trees.
Compression Wood
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Add RecommendationAdd TagsView All Assigned TagsReaction Wood
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Add RecommendationAdd TagsView All Assigned TagsWound Wood
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Add RecommendationAdd TagsView All Assigned TagsTension Wood
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Structures, trees, branches, or other factors that would prevent or reduce harm to targets in the event of a tree failure.
Protection Factors
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Add RecommendationAdd TagsView All Assigned TagsRecovery Time
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Add RecommendationAdd TagsView All Assigned TagsRelative Response
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Crater Crack
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Add RecommendationAdd TagsView All Assigned TagsUnderbead Crack
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Add RecommendationAdd TagsView All Assigned TagsLongitudinal Crack
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Add RecommendationAdd TagsView All Assigned TagsTransverse Crack
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The reproductive structure of a fungus that typically develops in diseased tissues. The presence of certain fruiting bodies may indicate decay in a tree. Some fruiting bodies are small and require a hand lens or microscopic examination to determine the fungus species.
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Add RecommendationAdd TagsView All Assigned TagsThe combination of the likelihood of an event and the severity of its potential consequences. In the context of trees, this refers to the likelihood of a conflict or tree failure occurring and affecting a target, along with the severity of the associated consequences.
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Add RecommendationAdd TagsView All Assigned TagsA separation in wood fibers characterized by narrow breaks or fissures in stems or branches. Severe cracks can lead to tree or branch failure.
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Add RecommendationAdd TagsView All Assigned TagsRecording Drill — A device consisting of a specialized micro-drill bit used to drill into trees and record the resistance to penetration. It is used to detect internal differences in wood, such as decay.
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In tree risk assessment, it refers to the professional assessment of the likelihood of a tree or tree part failing within a specific time frame.
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Add RecommendationAdd TagsView All Assigned TagsThe growth response in a tree stem or branch triggered by continuous flexing.
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Add RecommendationAdd TagsView All Assigned TagsThe decay of the lower trunk, trunk flare, or buttress roots in a tree. It is also known as butt rot.
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Add RecommendationAdd TagsView All Assigned TagsThe location or manner in which failure can occur or has occurred in a tree, such as a stem, root, or soil failure.
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The extent or scope of the assessment conducted on a tree or its components.
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Add RecommendationAdd TagsView All Assigned TagsThe amount of time that targets are within a target zone.
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Add RecommendationAdd TagsView All Assigned TagsA crack in a tree that forms across the short axis of the trunk, stem, or root.
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Add RecommendationAdd TagsView All Assigned TagsThe location or manner in which failure can occur or has occurred in a tree, such as stem failure, root failure, or soil failure.
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An image produced by processing signals transmitted through an object, such as sound waves, X-rays, or magnetic fields. It depicts the relative density of the object.
Radiograph
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Add RecommendationAdd TagsView All Assigned TagsX-ray
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Add RecommendationAdd TagsView All Assigned TagsSonogram
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Add RecommendationAdd TagsView All Assigned TagsTomogram
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