Insulator may refer to: 1  Insulator (electricity) , a substance that resists electricity. 2  Insulator (genetics) , an element in the genetic code. 3  Thermal insulation, a material used to resist the flow of heat.4  Building insulation, a material used in building construction to prevent heat loss.nsulator may refer to: 1  Insulator (electricity) , a substance that resists electricity. 2  Insulator (genetics) , an element in the genetic code. 3  Thermal insulation, a material used to resist the flow of heat.
However plastic cutting boards can harbor bacteria as much as and even more than wood, especially when they get furry from long-time use. But for certain duties plastic boards are recommended, such as keeping a separate color-coded one for each type of protein -- fish, poultry and meat. Glass Cutting Boards -- Avoid.
Types of Saws. Bandsaws. The blade on a bandsaw is a thin, metal band with a large surface areaâthis makes it great for cutting metal. Bandsaws are frequently stationary saws with a built-in cutting table, though portable bandsaws are available as well.