How To Use Light-tight In A Sentence

• Some numpty forgot to make the developing room light-tight so we 're all getting fogged film.
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• My father used the upstairs bathroom as a darkroom when I was about young - light-tight blind, red lamp, sandbag thing along the bottom edge of the door to block light, developer/fixer trays in the bathtub, enlarger clamped on a sheet of heavy plywood over the sink & vanity - so darkroom chemicals are one of those deep-in-the-bone scents that mean "childhood" to me in some strange way, like yeast and cinnamon. Making Light: Open thread 135
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• Some numpty forgot to make the developing room light-tight so we're all getting fogged film.
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• To expose gametophytes to particular photoperiodic conditions, the bagged Petri plates were placed in a light-tight box over which was installed the fluorescent source.
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• The slides were packed in light-tight boxes containing desiccant and refrigerated for 14 days.
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