verbal-of or relating to or formed from words in general; verbal ability. 3. verbal-of or relating to or formed from a verb; verbal adjectives like `running' in `hot and cold running water'. 4.
The company's zBoard is a material made up of 99 percent post-consumer recycled paper (the remaining 1 percent is paper as well), completely recyclable and less than half the weight (with the same strength) of particle board.
Although traditionally composed of natural chalk, modern blackboard chalk is generally made from the mineral gypsum (calcium sulfate), often supplied in sticks of compressed powder about 10 cm (4 in) long.alcite is calcium carbonate or CaCO 3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite shells (coccoliths) shed from micro-organisms called coccolithophores.