electric heating pad
51Swimming pool — A swimming pool, swimming bath, wading pool, or simply a pool, is an artificially enclosed body of water intended for swimming or water based recreation. There are many standard sizes; the largest and deepest is the Olympic size. A pool can be… …
52Diathermy — The use of heat to destroy abnormal cells. Also called cauterization or electrodiathermy. * * * Local elevation of temperature within the tissues, produced by high frequency current, ultrasonic waves, or microwave radiation. SYN: transthermia. [G …
53RMS Queen Elizabeth 2 — ( QE2 ) is a Cunard Line ocean liner named after the earlier Cunard liner RMS|Queen Elizabeth, which in turn was named after Elizabeth Bowes Lyon, the Queen consort of George VI. She was the flagship of the line from 1969 until succeeded by… …
54Buran program — This article is about the Buran space program in general. For specific information about the spacecraft, see Buran (spacecraft). For other uses, see Buran (disambiguation). Buran, 1989. The Buran (Russian: Буран, IPA:  …
55Robotic spacecraft — An artist s interpretation of the MESSENGER spacecraft at Mercury A robotic spacecraft is a spacecraft with no humans on board, that is usually under telerobotic control. A robotic spacecraft designed to make scientific research measurements is… …
56Cello — This article is about the stringed musical instrument. For other uses, see Cello (disambiguation). Cello Cello, front and side view String Other names Violoncello Hornbos …
57Model rocket — A typical model rocket during launch A model rocket is a small rocket that is commonly advertised as being able to be launched by anybody, to, in general, low altitudes (usually to around 100–500 m (300–1500 ft) for a 30 g (1 oz.) model) and …
58Condensate pump — A condensate pump is a specific type of pump used to pump the condensate (water) produced in an HVAC (heating or cooling), refrigeration, condensing boiler furnace or steam system. They may be used to pump the condensate produced from latent… …
59DB Class 210 — Two DB 210 locomotives at Munich station (1973) Power type Diesel internal combustion engine, plus gas turbine booster engine Builder Krupp Serial number 210 001 00 …
60Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
