Solutions Beams of light has 7 entries with similar clues
- ribsStiffening beams cast as a part of a concrete slab
- grinsBeams
- x-raysBody penetrating beams
- raftersInternal roof beams
- negativesPhotographic films on which light is dark and dark is light
- squidgameHit Netflix show whose pilot episode is titled "Red Light, Green Light"
- lampshadesthey cover lights .. lights near a place of darkness