| Just about everything is collectible these days, from ugly little dolls to colored glass insulators and medicine bottles. |
| Snow pack and other natural insulators can keep the frogs sufficiently warm during their winter hibernation. |
| Liam had climbed 30 ft up the pylon and came into contact with high voltage insulators. |
| Arctic and boreal mosses, for example, are effective insulators that minimize heat transfer from the soil surface to the underlying soil. |
| We used these concepts to define conductors, insulators, and semiconductors, and showed one means of altering the conductivity of semiconductors. |
| Did you know that overweight people tend to act as insulators and keep heat in? |
