Sanding - Part 1. Sanding your hardwood floors takes three sessions with progressively lighter grit sandpaper. To begin, use a coarse 30-40 grit, then a medium 50-60 grit and finally a fine 80-100 grit. For flat floors, use a random orbital sander.
With flying colours is a popular idiom of the English language. The phrase's origins relate to ship flags.
Article: Where Do Butterflies Get Their Colors Print Butterflies possess some of the most striking color displays found in nature. As they fly from flower to flower gathering nectar, their brightly colored wings seem to shimmer and change colors before your eyes. A butterflyâs rich color can act as camouflage, mate attraction, and warning signal. But what is it that makes the bright colors of butterfly wings appear to dance? How can they possess such intense colors? Butterflies get their colors from two different sources: ordinary color and structural color. The ordinary color comes from normal chemicals that absorb certain wavelengths of light and reflect others. For example, chlorophyll colors plants green.