ð¼Etymology and meaning of the name Zerubbabel. The name Zerubbabel consists of two parts. The second part of this name is obviously the same as the Hebrew word for Babel / Babylon. The origin of the first part is a bit of a mystery. It's perfectly conceivable that the first part of the name Zerubbabel originated in another language.
insulation - the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity. protection - the activity of protecting someone or something; the witnesses demanded police protection.
Everything conducts heat, but some materials are very good conductors and some are poor conductors. Insulation is made of materials that are poor conductors. The best insulation is air, because it is a gas and gases are much poorer conductors than solids and liquids. Also they are lighter, and light weight is always desirable for insulation. The problem with air is it moves around too much.