hourly efficiency
41Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …
42Rio Tinto Group — Rio Tinto Limited plc Type Public company (ASX: RIO, LSE:  …
43Norway — For other uses, see Norway (disambiguation). Kingdom of Norway Kongeriket Norge (Bokmål) Kongeriket Noreg (Nynorsk) …
44United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… …
45National Weather Service — NWS Agency overview Formed February 9, 1870 Jurisdiction …
46The Hertz Corporation — For other uses, see Hertz (disambiguation). Hertz Corporation Type Public Traded as NYSE:  …
47National Grid (UK) — The National Grid is the high voltage electric power transmission network in Great Britain, connecting power stations and major substations and ensuring that electricity generated anywhere in Great Britain can be used to satisfy demand elsewhere …
48Malolos City — This article is about the city. For the cathedral, see Malolos Cathedral. For the barangay, see Barili, Cebu or Malinao, AlbayInfobox Settlement official name = City of Malolos other name = Li Han (ancient Chinese name) native name = Lungsod ng… …
49Criticism of Wal-Mart — Wal Mart has been subject to criticism by various groups and individuals. Labor unions, community groups, grassroots organizations, religious organizations, and environmental groups protest against Wal Mart, the company s policies and business… …
50Load profile — In electrical engineering, a load profile is a graph of the variation in the electrical load versus time. A load profile will vary according to customer type (typical examples include residential, commercial and industrial), temperature and… …
