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A lifting bag is an item of diving equipment consisting of a robust and air-tight bag with straps, which is used to lift heavy objects underwater by means of the bag's buoyancy. The heavy object can either be moved horizontally underwater by the diver or sent unaccompanied to the surface. [1] Lift bag appropriate capacity should match the task ...
Buoyancy (/ ˈ b ɔɪ ən s i, ˈ b uː j ən s i /), [1] [2] or upthrust is a net upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.
Lighter than air – A lifting gas or lighter than air gas is a gas that has a lower density than normal atmospheric gases and rises above them as a result. It is required for aerostats to create buoyancy , particularly in lighter-than-air aircraft , which include free balloons , moored balloons , and airships .
OK, here goes: I kinda hate going to the beach. To clarify, I love the concept of going to the beach—the views, the water, the expectation of relaxation. But, on.
A bag may be closable by a zipper, snap fastener, etc., or simply by folding (e.g. in the case of a paper bag). Sometimes a money bag or travel bags has a lock . The bag likely predates its inflexible variant, the basket , and usually has the additional advantage of being foldable or otherwise compressible to smaller sizes.
A tote bag A tote bag being carried over the shoulder. A tote bag is a large, typically unfastened bag with parallel handles that emerge from the sides of its pouch. Totes are often used as reusable shopping bags. The archetypal tote bag is made of sturdy cloth, perhaps with thick leather at its handles or bottom; leather versions often have a ...
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