industrial air-conditioning
71Northeast blackout of 2003 — States and provinces that experienced the blackout; not all areas within these political boundaries were affected. The Northeast blackout of 2003 was a widespread power outage that occurred throughout parts of the Northeastern and Midwestern… …
72Tupolev Tu-144 — Tu 144 Aeroflot Tu 144 at the Paris Air Show in 1975 …
73Passive solar building design — Elements of passive solar design, shown in a direct gain application …
74Northeast Blackout of 2003 — The Northeast Blackout of 2003 was a massive widespread power outage that occurred throughout parts of the Northeastern and Midwestern United States, and Ontario, Canada on Thursday, August 14, 2003, at approximately 4:15 pm EDT (20:15 UTC), with …
75Propane — Not to be confused with propene. Propane …
76Occupational hygiene — Occupational (or industrial in the U.S.) hygiene is generally defined as the art and science dedicated to the anticipation, recognition, evaluation, communication and control of environmental stressors in, or arising from, the workplace that may… …
77heating — I Process of raising the temperature of an enclosed space. Heat can be delivered by convection, radiation, and thermal conduction. With the exception of the ancient Romans, who developed a form of central heating, most cultures relied on direct… …
78AE Smith — Infobox Company company name = AE Smith company company type = Mechanical Services Contractor foundation = Melbourne, Australia 1898 location = Melbourne, Australia key people = Brian Pollock (Chairman of the Board) Andrew Permezel (CEO) num… …
79Hitachi — For other uses, see Hitachi (disambiguation). Hitachi, Ltd. 株式会社日立製作所 Type Public Kabushiki gaisha Traded as TYO …
80Willis Carrier — Infobox Person name = Willis Haviland Carrier caption = Willis Carrier in 1915 birth date = birth date|1876|11|26 birth place = Angola, New York, USA death date = Death date and age|1950|10|7|1876|11|26 death place = New York, USA occupation =… …
