domestic hot water system
121Glossary of firefighting — Note: This list does not include firefighting equipment, i.e., tools and apparatus used by firefighters. Please refer to Glossary of firefighting equipment for such terms. : Note: This list is incomplete. You can help Wikipedia by… …
122Spa — This article is about the therapeutic spa. For other uses, see Spa (disambiguation). Ayurvedic spa in Goa, India. The term spa is associated with water treatment which is also known as balneotherapy. Spa towns or spa resorts (including hot… …
123Māori people — For the Māori people of the Cook Islands, see Cook Islanders. Māori …
124Coal gas — Towngas redirects here. For the company in Hong Kong trading as Towngas , see The Hong Kong and China Gas Company Limited. See also: Coal gasification and Coal seam gas Coal gas (also town gas and illumination gas) is a flammable gaseous… …
125Abu Dhabi — This article is about the city. For the emirate, see Abu Dhabi (emirate). Abu Dhabi أبوظبي Abū Dhabi   City   City of Abu Dhabi …
126Heat — In physics, heat, symbolized by Q , is energy transferred from one body or system to another due to a difference in temperature. [cite book|author= Daintith, John |title=Oxford Dictionary of Physics|publisher=Oxford University… …
127Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …
128Mauritania — <p></p> <p></p> Introduction ::Mauritania <p></p> Background: <p></p> Independent from France in 1960, Mauritania annexed the southern third of the former Spanish Sahara (now Western Sahara) in 1976 …
