industrial air-conditioning
51Natural ventilation — The ventilation system of a regular earthship. Natural ventilation is the process of supplying and removing air through an indoor space without using mechanical systems. It refers to the flow of external air to an indoor space as a result of wind …
52Vapor-compression refrigeration — [ [http://web.me.unr.edu/me372/Spring2001/Vapor%20Compression%20Refrigeration%20Cycles.pdf The Ideal Vapor Compression Cycle] ] [ [http://iehmtu.edata center.com/toc/chapt r/ch18s82.html Scroll down to The Basic Vapor Compression Cycle and… …
53Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
54Energy policy of the People's Republic of China — The energy policy of the People s Republic of China is a policy decided on by the Central Government with regard to energy and energy resources. The country is currently the world s largest emitter of greenhouse gases according to a Dutch… …
55Duct leakage testing — A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a… …
56Mains electricity by country — This article includes a list of countries and territories, with the plugs, voltages and frequencies they use for providing electrical power to small appliances and some major appliances. For definitions of terms and further information on each… …
57Carbon dioxide — Carbon dioxide …
58Ontario electricity policy — refers to plans, legislation, incentives, guidelines, and policy processes put in place by the Government of the Province of Ontario, Canada, to address issues of electricity production, distribution, and consumption. Policymaking in the… …
59Don Honorio Ventura Technological State University — Motto Escuela de Artes y Oficios Motto in English School of Arts and Trades Established 1861 Type State university President Enrique G. Baking, Ed. D …
60Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
