(in outer casing)
21Pin tumbler lock — The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key. Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular or radial locks.… …
22Spiral watertube boiler — Climax boiler, arrangement of tubes from above …
23CFM International CFM56 — CFM56 …
24Egyptian pyramids — The Egyptian pyramids are pyramid shaped structures located in Egypt, and were built as a tomb for dead pharaohs. There are over 100 Egyptian pyramids, most of which were built during the Old and Middle Kingdom periods.Michael Ritter (2003) [http …
25Egyptian pyramid construction techniques — There have been many hypotheses about the Egyptian pyramid construction techniques. The construction techniques seem to have developed over time; the earliest pyramids were built in different ways than later ones. Most of the construction… …
26Insulated pipes — (called also preinsulated pipes) are widely used for district heating and hot water supply in Europe. They consist of steel pipe, insulation layer and outer casing. Main purpose of such pipes is to keep the temperature of the fluid in pipes.… …
27jacket — jack·et || dʒækɪt n. short coat, blazer; outer covering, casing; potato skin; cover of a book; strong folder for holding documents or papers; cover to insulate a boiler; casing for a floppy disk (Computers); outer casing of bullet;… …
28jacketed — adj. dressed in a jacket; covered, enveloped jack·et || dʒækɪt n. short coat, blazer; outer covering, casing; potato skin; cover of a book; strong folder for holding documents or papers; cover to insulate a boiler; casing for a floppy disk… …
29jacketing — jack·et || dʒækɪt n. short coat, blazer; outer covering, casing; potato skin; cover of a book; strong folder for holding documents or papers; cover to insulate a boiler; casing for a floppy disk (Computers); outer casing of bullet;… …
30jackets — jack·et || dʒækɪt n. short coat, blazer; outer covering, casing; potato skin; cover of a book; strong folder for holding documents or papers; cover to insulate a boiler; casing for a floppy disk (Computers); outer casing of bullet;… …
