TPS specifically identified seven types of waste or muda: 1  Waste of overproduction or overburden. 2  Waste of time on hand or waiting period. 3  Waste of transportation and shipping. 4  Waste of processing. 5  Waste of keeping stock in hand. 6  Waste of movement. 7  Waste of making defective products.
A phase, or state of matter, is a domain within a many-body system within which relevant physical properties are uniform. Relevant properties may include chemical composition, stoichiometry, and density, which do not reflect how the components are arranged in space.
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions. addition reaction - a chemical reaction in which one molecule is added to another. aldol reaction - a reaction of aldehydes resulting in an aldol. chain reaction - a series of chemical reactions in which the product of one is a reactant in the next.