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.
Types of Wood Cutting Boards: End-Grain Cutting Boards (reversible): End-Grain Cutting Boards are the best cutting boards to be found and will meet the needs of the most discerning customer. More durable than regular cutting boards, these end-grain boards look beautiful on your counter top. An end-grain is a much harder surface and has a greater tolerance for the chopping motion.
Three types of cuttings are commonly used: hardwood stem cuttings, softwood stem cuttings, and root cuttings. Currants, grapes, elderberries, and quinces start well from either hardwood or softwood cuttings. Gooseberries, saskatoons, and blueberries are more easily started from softwood cuttings.