cement bridging
21Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide …
22Glens Falls, New York — Glens Falls   City   Centennial Circle, a five leg roundabout located in downtown Glens Falls …
23Inline speed skating — is the sport of racing on inline skates. It is often called inline racing by participants. Although it primarily evolved from racing on quad roller skates, the sport is similar enough to ice speed skating that many competitors are now known to… …
24Hydraulic lime — is a variety of slaked lime used to make lime mortar. Hydraulicity is the ability of lime to set under water. Hydraulic lime is produced by heating (calcining) limestone that contains clay and other impurities. Calcium reacts in the kiln with the …
25Silo — A silo is a structure for storing bulk materials. Silos are used in agriculture to store grain (see grain elevators) or fermented feed known as silage. Silos are more commonly used for bulk storage of grain, coal, cement, carbon black, wood chips …
26Dominican Republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 8,228,151; 19,129 sq. mi. (49,545 sq. km). Cap.: Santo Domingo. Formerly, Santo Domingo, San Domingo. * * * Dominican Republic Introduction Dominican Republic… …
27Papua New Guinea — an independent republic in the W Pacific Ocean, comprising the E part of New Guinea and numerous near lying islands, including the Bismarck Archipelago, the Admiralty Islands, the Trobriand Islands, and Bougainville and Buka in the Solomon… …
28Peru — Peruvian /peuh rooh vee euhn/, adj., n. /peuh rooh /, n. 1. Spanish, Perú /pe rddooh /. a republic in W South America. 24,949,512; 496,222 sq. mi. (1,285,215 sq. km). Cap.: Lima. 2. a city in N central Indiana. 13,764. 3. a city in N Illinois. 10 …
29Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp …
30Davenport, Iowa — Davenport   City   Downtown Davenport, viewed from Rock Island, Illinois …
