An O-ring, also known as a packing or toric joint, is a mechanical gasket in the shape of a torus; it is an elastomeric ring of circular cross-section designed to Compressed during assembly between the parts, forming a seal at the interface.O-rings can be used in static applications or dynamic appli

A bladder tank is a large, flexible container used to store many types of liquids. [1] When the maximum capacity is reached, the bladder-shaped water tank is in the shape of a large pillow, so it is also called a pillow-type water tankhistory[edit]The first engineered flexible airbag canister was ma

An isolation tank, sensory deprivation tank, flotation tank, flotation tank, flotation tank, flotation tank, or sensory attenuation tank is a water-filled, pitch-black, light-proof, sound-proof environment, heated to the same temperature as the skin, developed in 1954, John C. Lilly. [citation neede