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.
To the left and above are examples of board fences using a âsmooth on all 4 sidesâ wood for all of the elements in these fences. Below are examples of the same type of 4 rail board fence using rough sawn wood to build the fence. An all time favorite for rural farm and ranch land.