Open Systems [edit]. A system that interfaces and interacts with its environment, by receiving inputs from and delivering outputs to the outside, is called an open system.
Colgate (toothpaste) From Wikipedia, the free encyclopedia. Colgate (sub-brand of Colgate-Palmolive) is an oral hygiene product line of toothpastes, toothbrushes, mouthwashes and dental floss. Colgate toothpaste was first sold by the company in 1873, sixteen years after the death of the founder, William Colgate. 1 History.
The rule applies only to consumer hand washes and soaps. Other products may still contain the chemicals. At least one toothpaste, Colgate Total, still does, but the F.D.A. says its maker proved that the benefits of using it â reducing plaque and gum disease â outweigh the risks.