loading slab
21Lee-Enfield — This article is about the early twentieth century British rifle. For other uses, see Enfield rifle (disambiguation). Lee Enfield Short Magazine Lee Enfield No. 1 Mk. III Type …
22Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …
23railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
24Seismic 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,… …
25B-1 Lancer — Infobox Aircraft name = B 1 Lancer type = Strategic bomber national origin = United States manufacturer = North American Rockwell Rockwell International Boeing caption = A B 1B Lancer in flight. designer = first flight = 23 December 1974… …
26Pentagon Renovation Program — A composite aerial view showing the renovations to The Pentagon. The Pentagon Renovation Program or PENREN was a long term project by the United States Department of Defense to perform a complete slab to slab renovation of The Pentagon in… …
27metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …
28Clackamas Lake Ranger Station Historic District — Clackamas Lake Ranger Station U.S. National Register of Historic Places U.S. Historic district …
29Heinkel He 100 — refimprove|date=January 2008infobox Aircraft name = He 100 type = Fighter manufacturer = Heinkel caption = Rare wartime image used for propaganda purposes designer = Walter Günter, Siegfried Günter first flight = 22 January 1938 introduced =… …
30BAC TSR-2 — Infobox Aircraft name = TSR 2 type = Tactical Strike / Reconnaissance manufacturer = British Aircraft Corporation caption = TSR 2 XR220 in Anti flash white finish designer = first flight = 27 September 1964 introduced = retired = status = Project …
