pipe seal
71industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
72Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
73Cap (disambiguation) — A cap is a form of headgear.Cap may also refer to: * Bottle cap, a closure to seal bottles * Screw cap, a closure to seal bottles or jars * Cap (sport), a sporting cap awarded to players representing their country * Cape (geography), the French… …
74Plunger — A plunger is a common device used to release stoppages in plumbing. The tool consists of a rubber cup with an attached stick shaft , usually made of wood or bronze. The cup is pushed down against the drain, and either pressed hard into the drain… …
75Atmospheric railway — An atmospheric railway is a railway that uses air pressure to provide power for propulsion. A pneumatic tube is laid between the rails, with a piston running in it suspended from the train through a sealable slot in the top of the tube. By means… …
76Butterfly valve — A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe. The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. The plate… …
77List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
78Raccoon — For other species called raccoon in the genus Procyon, see Procyon (genus). For other uses, see Raccoon (disambiguation). Raccoon …
79Steller sea lion — Steller s sea lion Conservation status Endangered (IUCN 3.1) …
80diplomatics — /dip leuh mat iks/, n. (used with a sing. v.) the science of deciphering old official documents, as charters, and of determining their authenticity, age, or the like. [1785 95; see DIPLOMATIC, ICS] * * * ▪ study of documents Introduction… …
