coolant supply
121Dornier Do 217 — Do 217 Do 217 E 2 Role Medium bomber Heavy bomber …
122Data center — An operation engineer overseeing a Network Operations Control Room of a data center. A data center (or data centre or datacentre or datacenter) is a facility used to house computer systems and associated components, such as telecommunications and …
123Nuclear arms race — United States and USSR/Russia nuclear stockpiles Nuclear weapons …
124Chalk River Laboratories — Chalk River Labs seen from the Ottawa River. The Chalk River Laboratories (also known as CRL, Chalk River Labs and formerly the Chalk River Nuclear Laboratories, CRNL) is a Canadian nuclear research facility located near Chalk River, about… …
125Megas XLR — Format Animated television series, Action, Comedy Created by Jody Schaeffer George Krstic …
126Life support system — For other uses of Life support , see Life support (disambiguation). In human spaceflight, a life support system is a group of devices that allow a human being to survive in space. US government space agency NASA,[1] and private spaceflight… …
127X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …
128List of spacewalks and moonwalks — This list contains all spacewalks and moonwalks where an astronaut has fully, or partially left his spacecraft. All spacewalks have had the astronauts tethered to their spacecraft except for seven spacewalks by the United States, (six in 1984… …
