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Subtractive Color - Subtractive color explains the theory of mixing paints, dyes, inks, and natural colorants to create colors which absorb some wavelengths of light and reflect others. The color that an object appears t. Used . o have is based on what parts of the electromagnetic spectrum are reflected by it, or conversely by what parts of the spectrum are not absorbed.

Anything that is not additive col. Used . or is subtractive color. No other color mixing systems are known, except the imperfect system resulting from mixing real pigments, something that is very confusing nowadays.

Color is not an absolu...

Watt - An international system for the measurement of the amount of power used by a device, usually electrical in nature, equal to one joule per second or one ampere of current flowing at one volt. The watt. Used . is named after James Watt for his contributions to the development of the steam engine and in turn its contribution to electrical power.. Used . ...

Zone Focusing - Technique for focusing a lens so that the field depth extends over a predetermined scope of distances making an entire area, or zone, in focus rather than one specific subject. . Used . . Used . ...

A.J. - UK slang for Adjustable Spanner. Also know in the US as a Crescent Wrench or C-Wrench. . Used . . Used . ...

Ground Support - In Staging, Ground Support applies to any electrical or mechanical device to aid a rigging crew in lifting and placing staging gear, lighting or audio gear into place.. Used . . Used . ...