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2. Lifeline (safety) - Wikipedia

   en.wikipedia.org/wiki/Lifeline_(safety)

   A lifeline is a fall protection safety device in the form of an open fence composed of wire and stanchions secured around the perimeter of an area to prevent accidental falls. It is commonly found on sailboats [ 1 ] and construction sites , [ 2 ] as well as other situations where dangerous falls can occur, such as at scenic overlooks and in caves .

3. Fall arrest - Wikipedia

   en.wikipedia.org/wiki/Fall_arrest

   Safety net Safety line. Fall arrest is the form of fall protection which involves the safe stopping of a person already falling. It is one of several forms of fall protection, forms which also include fall guarding (general protection that prevents persons from entering a fall hazard area e.g., guard rails) and fall restraint (personal protection which prevents persons who are in a fall hazard ...

4. List of diving hazards and precautions - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_hazards_and...

   Impact with vessel hull or propellers, entanglement of diver's umbilical or lifeline with propellers, thrusters, or other appendages Uncontrolled relative motion between vessel and diver or attached equipment in close proximity. Use scuba without a lifeline where live-boating is essential.

5. Moving walkway - Wikipedia

   en.wikipedia.org/wiki/Moving_walkway

   Moving walkway inside the Changi Airport station of the Singapore MRT. A moving walkway, also known as an autowalk, [1] moving pavement, [2] moving sidewalk, [3], travolator, [4] or travelator (British English), [5] is a slow-moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. [6]

6. Bosun's chair - Wikipedia

   en.wikipedia.org/wiki/Bosun's_chair

   Bosun's Chair has become a competition event in Sea Scout Regattas in the United States such as the Old Salt's Regatta and the Ancient Mariner's Regatta. The event is based on a practice from old navy ships where high-ranking officers would be lifted onto the ships instead of climbing aboard.

7. Stabilizer (ship) - Wikipedia

   en.wikipedia.org/wiki/Stabilizer_(ship)

   Diagram of retractable fin stabilizers on a ship. Ship stabilizers: a fixed fin stabilizer (foreground centre) and bilge keels (left background).. Ship stabilizers (or stabilisers) are fins or rotors mounted beneath the waterline and emerging laterally from the hull to reduce a ship's roll due to wind or waves.