roof spalling
1art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
2W. E. B. Du Bois Library — General information Type Research Location Amherst, Massachusetts 01003 United States Construction started 1972 Completed 1974 …
3Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
4Waco siege — The Mount Carmel Center in flames during the assault on April 19, 1993 Date …
5ISU-152 — The first ISU 152, in the courtyard of Factory No. 100, 1943 Type Self propelled gun Place of o …
6tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
7Tiger II — For the aircraft also known as the Tiger II, see Northrop F 5. Panzerkampfwagen Tiger Ausf. B …
8Tower block — High rise redirects here. For other uses, see High Rise (disambiguation). A high rise residential apartment building in Hong Kong …
9Rebar — This article is about reinforcing bar. For the company, see Rebar (Taiwan). For the art group, see Rebar art and design studio. A tied rebar beam cage. This will be embedded inside cast concrete to increase the tensile strength of the concrete. A …
10Chimney — For other uses, see Chimney (disambiguation). Smokestack redirects here. For the 1963 avant garde jazz album, see Smokestack (album). The world s tallest chimney, of GRES 2 in Ekibastuz, Kazakhstan. A chimney is a structure for venting hot flue… …
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