heat-recovery equipment
121Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
122international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
123Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
124ARCA (NGO) — ARCA Type Private Industry Aerospace and space tourism Founded 1999 …
125International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
126Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
127Lion of Babylon tank — Infobox Weapon is vehicle=yes name=T 72 Lion of Babylon caption=A dug in Asad Babil captured after the Battle of 73 Easting, February 1991 type=Main battle tank origin= flagicon|Iraq Iraq production date=1989 1990 service=1990 Present wars=Gulf… …
128Space Shuttle Solid Rocket Booster — The Space Shuttle Solid Rocket Boosters (SRBs) are the pair of large solid rockets used by the Space Shuttle during the first two minutes of powered flight. They are located on either side of the orange external propellant tank. Each SRB produces …
