Production
See also: Zinc smeltingFor industrial use, ZnO is produced at levels of 105 tons per year by three main processes:
Read more about this topic: Zinc Oxide
Famous quotes containing the word production:
“I really know nothing more criminal, more mean, and more ridiculous than lying. It is the production either of malice, cowardice, or vanity; and generally misses of its aim in every one of these views; for lies are always detected, sooner or later.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (16941773)
“It is part of the educators responsibility to see equally to two things: First, that the problem grows out of the conditions of the experience being had in the present, and that it is within the range of the capacity of students; and, secondly, that it is such that it arouses in the learner an active quest for information and for production of new ideas. The new facts and new ideas thus obtained become the ground for further experiences in which new problems are presented.”
—John Dewey (18591952)
“[T]he asphaltum contains an exactly requisite amount of sulphides for production of rubber tires. This brown material also contains ichthyol, a medicinal preparation used externally, in Websters clarifying phrase, as an alterant and discutient.”
—State of Utah, U.S. public relief program (1935-1943)