Plantar Fasciitis Symptoms and Signs. Plantar fasciitis causes pain and tenderness of the bottom of the foot. The tenderness is usually toward the heel, but the entire sole of the foot can be affected.
Additive color mixing is the kind of mixing you get if you overlap spotlights in a dark room, as illustrated at left. The commonly used additive primary colors are red, green and blue, and if you overlap all three in effectively equal mixture, you get white light as shown at the center.
The additive primary colors are red, green and blue (RGB). Combining one of these additive primary colors with equal amounts of another one results in the additive secondary colors of cyan, magenta and yellow. Combining all three additive primary colors in equal amounts will produce the color white.