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Distance line

A distance line, penetration line, cave line, wreck line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult. They are often used in cave diving and wreck diving where the diver must return to open water after a…

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Key facts & relationships

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Other names
guide line, cave line, wreck line, penetration line
Related items
Jackstay, jump line, search line, down-line, upline, messenger line
Uses
Used to guide divers back to a specific point

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Advanced semantic analysis

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Map overview Semantic statistics

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Distance line

Nodes41
Edges40
Triples27
Avg. degree1.95
Density0.04878
Components1

How this topic connects Entity context

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Distance line

Top relations

related to Safety · 12
Distance line → Although, Entanglement, If, It, Keeping, Line, Loose, Losing, On, Passing, The, Thin
Other names · 1
Distance line → guide line, cave line, wreck line, penetration line
Related items · 1
Distance line → Jackstay, jump line, search line, down-line, upline, messenger line
Uses · 1
Distance line → Used to guide divers back to a specific point

Important terminology Word statistics

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Important terminology

line may used guide cave spool divers reel use reels diver diving lines distance also ratchet surface open water safety

Entity relationships Subject–Predicate–Object triples

Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.
SubjectPredicateObjectConfidenceSrc
Distance lineOther namesguide line, cave line, wreck line, penetration line1.00infobox
Distance lineRelated itemsJackstay, jump line, search line, down-line, upline, messenger line1.00infobox
Distance lineUsesUsed to guide divers back to a specific point1.00infobox
a shotline or boat anchor.The material used for any given distance line will vary based on intended useinstance ofor may be used to allow easy return navigation to a point0.80text
nylon being the material of choice for cave divinginstance ofor may be used to allow easy return navigation to a point0.80text
cottoninstance ofNatural fibres0.80text
sisal are not usually used for guide line as they rotinstance ofNatural fibres0.80text
lose strength relatively quicklyinstance ofNatural fibres0.80text
and are more bulky for equivalent strengthinstance ofNatural fibres0.80text
nyloninstance ofwhich are easiest to achieve in engineering polymers0.80text
acetalinstance ofwhich are easiest to achieve in engineering polymers0.80text
deploying a DSMBinstance ofand may differ from reels used for other purposes0.80text

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