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- Cellulose acetate (4564 bytes)
1: ...the acetate [[salt]] of [[cellulose]]. Cellulose acetate is used as a [[film]] base in [[photography]...
4: ...e]] film was introduced in the [[1950s]] as a replacement for the unstable and inflammable [[cellulose...
6: ...oxygen]] to an unusable state, releasing [[acetic acid]]. This is known as "[[vinegar]] syndrome."
8: ... [[Polyester]] film stock has become more commonplace.
10: ...ibers ([[nylon]] and [[polyester]]) and have displaced regenerated pulp fibers. - Hammer (2263 bytes)
3: ...head. The head is composed of a flat striking surface on one end, and a ''peen'' on the other. The pee...
7: ...d. In the [[Middle Ages]], the [[war hammer]] was developed when edged weapons could no longer easily ...
9: The hammer takes its place in modern weapons in the form of the [[firearm]] hammer o...
11: The use of a hammer to fix broken machinery is jokingly referred to as ''percussive mai...
13: Well-known forms include: - Air (872 bytes)
2: ...ter [[breathing gas]] and to inflate [[buoyancy]] devices. Compressed air is also used as the means of...
8: {{Wiktionary}}
10: ...a [[baroque]] [[clavier]] work composed by [[J.S.Bach]].
17: [[Category:HVAC]] - Study (876 bytes)
1: {{wiktionary}}
3: * To '''study''' means to acquire [[knowledge]], often by memorization or read...
5: ...udies''''' may refer to a field of research or academics.
6: ...[sketch]] or drawing made in order to practise or demonstrate a subject or technique; see [[drawing]].
7: ...udy''' is a musical form also used to practise or demonstrate a subject or technique; see [[study (mus... - Fact (2548 bytes)
1: {{Wiktionary}}
2: [[Fact]] is the following:
3: ...n encyclopedia. It is important to note how the modernization of the term pertains to the terms' own v...
4: *In [[philosophy]], a fact is either a true [[proposition]] or something (a...
5: ...of how the universe works. Facts do not prove a model is correct. One observation of any phenomenon d... - Temperature (22519 bytes)
1: ...[[physics|physical]] property of a system which underlies the common notions of "hot" and "cold"; the ...
3: ==General description==
8: ... heat is added the temperature rises, similarly a decrease in temperature corresponds to a loss of hea...
10: ... [[extrinsic property|extrinsic properties]], and depend on the amount of material in the system.
15: ...ace. One application of this effect is the [[incandescent light bulb]], in which a [[tungsten]] filame...
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