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Lamp-life
Light Glossary |
The number of hours at which half of the test lamps fail. tip: shock, vibration, frequent on-off cycles, overvolting, power surges, obstructed ventilation, defective lamps, and other longevity-threats are not factored in.
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Ventilation, английский
- The process of supplying or removing air, by natural or mechanical means, to or from any space. such air may or may not have been conditioned.
- The process of supplying or removing air, by natural or mechanical means, to or from any space such air may or may not have been conditioned
- Вентиляция
- Движение воздуха, проветривание, вентиляция
- The process of supplying or removing air, by natural or mechanical means, to or from any space; such air may or may not have been conditioned.
- The act of breathing air in or out of the lungs, so removing waste products from the blood in exchange for oxygen. dead space
- The distribution of fresh air below decks.
- Circulation of fresh area and exhaust gases.
- An intentional introduction of ambient air into an enclosed space in order to control air quality by diluting and displacing pollutants.
- Circulation of air in any space by natural wind or convection or by fans blowing air into or exhausting air out of a building; a firefighting operation of removing smoke and heat from the structure by opening windows and doors or making holes in the roof.
- Provision of a free or forced draft of air to and from a vehicle passenger compartment,
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Idle-fixture phobia, английский
The obsessive fear, most commonly suffered by producers on distant locations, of being surrounded by unused lights. also rampant among camera-persons who see virtue in quantity rather than quality.
Available light phobia, английский
The morbid fear of uncontrolled lighting situations.
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