Powders and pastes of calcium compounds were also used to help remove grease so the ink would not run.

Marine animals with calcium carbonate shells or skeletons build them from carbon dioxide and dissolved calcium compounds.

Most calcium compounds are not toxic.

For example when a 600 pound calf is removed from a pasture, 100 pounds of bone is also removed, which is 60% calcium compounds.

Literally, the door was melting under the power of the acid-bearing calcium compound.

Ms. Shober had learned from her husband, an engineer with the Wisconsin Transportation Department, that rock salt is a calcium compound.

Phosphorus is coprecipitated with iron, aluminium, and calcium compounds located in the root-bed medium.

Compared with other metals, the calcium ion and most calcium compounds have low toxicity.

Acute calcium poisoning is rare, and difficult to achieve unless calcium compounds are administered intravenously.

The use of marl, a type of clay rich in calcium compounds, allowed the Dutch potters to refine their technique and to make finer items.