air-space paper insulation
41Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
42Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
43Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… …
44Damp (structural) — For other uses, see Damp (disambiguation). Detail showing some of the causes of damp penetration Structural dampness refers to the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or… …
45computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
46Electrical wiring — in general refers to insulated conductors used to carry electricity, and associated devices. This article describes general aspects of electrical wiring as used to provide power in buildings and structures, commonly referred to as building wiring …
47architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
48Climate change mitigation — Fossil fuel related CO2 emissions compared to five of IPCC s emissions scenarios. The dips are related to global recessions. Data from IPCC SRES scenarios; …
49Bass trap — Bass Traps are acoustic absorbers or sound baffles which have the ability to capture low frequency sound. Bass traps are used to provide acoustic absorptive treatment in rooms and are common tools used in architectural acoustics. Bass traps are… …
50environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
