diaphragm control
91Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… …
92Spinal cord injury — Spinal cord injuries Classification and external resources View of the vertebral column and spinal cord ICD 10 G …
93contraception — /kon treuh sep sheuhn/, n. the deliberate prevention of conception or impregnation by any of various drugs, techniques, or devices; birth control. [1885 90; CONTRA 1 + (CON)CEPTION] * * * Birth control by prevention of conception or impregnation …
94eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… …
95Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
96Sodium hydroxide — Sodium hydroxide …
97Electronic keyboard — An electronic keyboard. An electronic keyboard (also called digital keyboard, portable keyboard and home keyboard) is an electronic or digital keyboard instrument. The major components of a typical modern electronic keyboard are: Musical keyboard …
98Check valve — Tilting disc inconel check valve …
99Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
100Train horn — Nathan model M5 locomotive air horn Train horns are audible warning devices found on most diesel and electric locomotives. Their primary purpose is to alert persons and animals to the presence of a train, especially when approaching a grade… …
