Colours outside the outer surface are opaque foreground. Superficial () refers to something near the outer surface of the organism. The temperature below the surface is . A of the portion of the surface. Yantras can be on a flat surface or three dimensional. They result from the wind blowing over an area of fluid surface. The eggs are oval in shape with a somewhat glossy surface. Tessellations are patterns formed by repeating tiles all over a flat surface. The bubbles made by cavitation collapse forming tiny jets directed at the surface. Height of about 1.5 meters from the ground surface. A shiny metal surface has low emissivity. The wreck rests at a depth of more than below the surface. I designed a little machine using a cylinder provided with grooves around the surface. Dark trichomes are present on the upper midrib surface. Irrigation water is available from both surface and subterranean sources.