pipe(-type) cable
51Electrical conduit — risers, seen inside fire resistance rated shaft, as seen entering bottom of a firestop. The firestop is made of firestop mortar on top, rockwool on the bottom. Raceways are used to protect cables from damage …
52List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
53Universal Serial Bus — Infobox Computer Hardware Bus name = USB fullname = Universal Serial Bus caption = Original USB Logo invent date = January 1996 width = 1 numdev = 127 per host controller speed = 12 or 480 Mbit/s (1.5 to 60 MByte/s) style = s hotplug = Yes… …
54Bottom bracket — A square taper cartridge bottom bracket. The bottom bracket on a bicycle connects the crankset to the bicycle and allows the crankset to rotate freely. It contains a spindle that the crankset attaches to, and the bearings that allow the spindle… …
55Drain cleaner — A drain cleaner is a consumer product or device that unblocks sewer pipes or helps to prevent the occurrence of clogged drains; the term may also refer to the individual who performs the activity. Drain cleaners can be classified in three… …
56Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
57United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
58MythBusters (2004 season) — Country of origin Australia United States No. of episodes 20 (includes 4 specials) Broadcast Original channel Discovery Channel …
59List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
60List of crossings of the River Severn — Motorway crossings over the River Severn Second Severn Crossing (M4 motorway) …
