'Light appears' presentation slideshows

Electromagnetic Waves

261 views • 14 slides

Do : Shined flashlight through clear water. See : Light cuts directly through.

144 views • 6 slides

A recessed light is a lighting system which is installed into a hollow opening of the ceiling. They are great for both household use and commercial space. They give a modern look to the entire space.

27 views • 2 slides