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2. Anchor - Wikipedia

   en.wikipedia.org/wiki/Anchor

   The chain should be shackled to the warp through a steel eye or spliced to the chain using a chain splice. The shackle pin should be securely wired or moused. Either galvanized or stainless steel is suitable for eyes and shackles, galvanised steel being the stronger of the two. [citation needed] Some skippers prefer to add a swivel [42] to the ...

3. Marine grade stainless - Wikipedia

   en.wikipedia.org/wiki/Marine_grade_stainless

   SAE 316 stainless steel is a molybdenum-alloyed steel and the second most common austenitic stainless steel (after grade 304). It is the preferred steel for use in marine environments because of its greater resistance to pitting corrosion than most other grades of steel without molybdenum. [1]

4. Lifeboat (shipboard) - Wikipedia

   en.wikipedia.org/wiki/Lifeboat_(shipboard)

   A quick release and pressure release mechanism is fitted on ships so that the canister or pump automatically inflates the lifeboat, and the lifeboat breaks free of the sinking vessel. Commercial aircraft are also required to carry auto-inflating liferafts in case of an emergency water landing; offshore oil platforms also have liferafts.

5. Boat building - Wikipedia

   en.wikipedia.org/wiki/Boat_building

   Stainless steel: a corrosion-resistant alloy of mild steel and small percentages of such metals as copper, chromium, molybdenum, and nickel. Common alloys are "18/8" (known as "surgical stainless steel") and "316" ("marine grade"), which contains more salt-water resistant nickel.

6. Shackle - Wikipedia

   en.wikipedia.org/wiki/Shackle

   Different types of shackles. The yellow cable ties indicate the date of the last tool inspection. A well-used shackle. A shackle (or shacklebolt), also known as a gyve, is a U-shaped piece of metal secured with a clevis pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism.

7. Outboard motor - Wikipedia

   en.wikipedia.org/wiki/Outboard_motor

   In Vietnam these outboards are called máy đuôi tôm (shrimp tail motor), which are smallish air-cooled or water-cooled gasoline, diesel or even modified automotive engines bolted to a welded steel tube frame, with another long steel tube up to 3 m long to hold an extended drive shaft driving a conventional propeller. The frame that holds the ...