... through settling chambers so that sand and similarly gritty material can be removed, skimmers remove floating oil and grease, and floating debris are shredded and ground After this step, the sewage ... size, it shapes itself to its container A liquid, on the other hand, has a definite volume, but does not have a definite shape Only a solid is characterized both by a definite shape and definite ... meaning one half, and sesqui-, meaning one and a half, and per- By the use of these prefixes we can designate the compounds more precisely than by means of the prefixes -ous and -ic, especially...