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amberWhen passing through a lock, an amber light means “approach the lock under full control."
Amber
no
The passing of light through matter.
Artificially, a rainbow can be produced by passing white light (sunlight) through a prism. The light passing through the prism constitutes the seven colors of the rainbow.
amberWhen passing through a lock, an amber light means “approach the lock under full control."
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Amber
When passing through a Lock an amber light means approchthe lock under full controll
The condenser adjusts the amount of light passing through the specimen.