WAN), DSL model or cable modem. Our selectable reporting. path feature allows the radio to be configured for a single or. dual path solution as well as the appropriate supervision inter-. vals based on NFPA 72 requirements. (See diagram below for. selectable paths and supervision timing intervals.) Features.
Sulfuric acid is the most abundant product of the chemical industry. It is used in the refining of metals and in the manufacture of a wide variety of substances. It is used for the pickling of steel to retard corrosion, in the refinement of petroleum, and in the manufacture of fertilizers.
Well. . . let's say that vinegar is one substance that has acetic  acid in it. Acetic acid can be pure or it can be mixed with other  liquids for other purposes. For exampl â¦ e, acetic acid was and is  used at a certain time in developing camera film to stop the  developer fluid from developing any further.