circulation heater
71Tommy Cooper — Infobox actor name = Tommy Cooper caption = Videocassette cover from his comedy show birthname = Thomas Frederick Cooper birthdate = birth date|1921|03|19|df=y birthplace = Caerphilly, Wales deathdate = death date and age|1984|04|15|1921|03|19|df …
72Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
731973 oil crisis — Further information: 1973 world oil market chronology 1973 Oil Crisis Other names Arab Oil Embargo The 1973 oil crisis started in October 1973, when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC (consisting of the …
74Caboose — A caboose (North American railway terminology) or brake van or guard s van (British terminology) is a manned rail transport vehicle coupled at the end of a freight train. Although cabooses were once used on nearly every freight train in North… …
75Fishkeeping — is a popular hobby concerned with keeping fish in the home aquarium or garden pond. Types of fishkeeping The hobby can be broadly divided into three specific disciplines, freshwater, brackish, and marine (also called saltwater) fishkeeping.… …
76Pellet stove — A wood pellet stove A pellet stove is a stove that burns compressed wood or biomass pellets to create a source of heat for residential and sometimes industrial spaces. By slowly feeding fuel from a storage container (hopper) into a burn pot area …
77Absorption refrigerator — The absorption refrigerator is a refrigerator that utilizes a heat source (e.g., solar, kerosene fueled flame) to provide the energy needed to drive the cooling system rather than being dependent on electricity to run a compressor. These… …
78Luo Points — is an acupuncture term referring to special points in the body that are believed to have greater significance. According to acupuncture theory, the points, twelve in all, are places where the body can be manipulated to greater effect when… …
79Orange (fruit) — Orange Orange blossoms and oranges on tree …
80Molten-Salt Reactor Experiment — MSRE plant diagram The Molten Salt Reactor Experiment (MSRE) was an experimental molten salt reactor at the Oak Ridge National Laboratory (ORNL) researching this technology through the 1960s; constructed by 1964, it went critical in 1965 and was… …
