Energy terms . 2014.
Dual Duct System — An air conditioning system that has two ducts, one is heated and the other is cooled, so that air of the correct temperature is provided by mixing varying amounts of air from each duct … Energy terms
Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated … Wikipedia
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Dust collection system — A dust collection system is an air quality improvement system used in industrial, commercial, and home production shops to improve breathable air quality and safety by removing particulate matter from the air and environment. Dust collection… … Wikipedia
Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used … Wikipedia
Conveyor system — Conveyor redirects here. For other uses, see Conveyor (disambiguation). This article is about conveyor systems. For information on conveyor belts, see conveyor belts. For information on overhead conveyors, see overhead conveyors. An overhead… … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
air-conditioning — Control of temperature, humidity, purity, and motion of air in an enclosed space, independent of outside conditions. In a self contained air conditioning unit, air is heated in a boiler unit or cooled by being blown across a refrigerant filled… … Universalium
Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
