Are there any safety precautions to consider when using chalk?

For one, our chalk is made with high purity food grade magnesium carbonate which is produced from ocean minerals. Zero fillers. No rosin. No destructive mining. Agreed to the product disclaimer. Bison Re-Rope™ products are made from Recycled Climbing ropes. We never know what colors we will on hand so color options ... Chalk balls are made of a porous fabric filled with loose chalk. To apply, simply grab the ball out of your chalk bag and pat it onto your hands. Some chalk ... Chalk, soft, fine-grained, easily pulverized, white-to-grayish variety of limestone. Chalk is composed of the shells of such minute marine organisms as ... Carl Hi Cut Chalk White | Chalk White ... Same great Friction Labs® chalk, made in Colorado, now in fully recyclable packaging. Use the chalk. Recycle the rest. With your help, no part of this packaging ... The pencils are acid-free, pre-sharpened, and made with sustained yield cedar wood to ensure strength. Made in the USA with Domestic and Imported Materials. Designed for use on traditional chalkboards with a scratch-free, smooth laydown. Superior dustless chalk made from 95% pure calcium carbonate and free of ... Chalk comes from the Latin calx, "limestone," with the Greek root khalix, "small pebble." The first recorded uses of chalk date back to over 10,000 BC when it ... Chalk is made from the shells of tiny sea creatures. When these animals die, their shells sink to the sea floor. Mud covers the shells. Layers of shells and mud ...