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.
By far the largest use of phosphoric acid is the manufacture of phosphates for use as fertilizers. Figure 1 Uses of phosphoric acid. While Figure 1 shows the worldwide uses of phosphoric acid, the proportion varies country by country. For example, the proportion used in the US to make fertilizers is even larger, 90%.