In the carbon filtering procedure, activated carbon packets offer a huge surface to the drinking water flowing through, thus providing the impurities the most exposure to the active points of the filter. Because they are exposed to the energetic areas, the pollutants within the groundwater get captured inside the pore structure of the activated carbon. This purification was carried out utilizing a method known in basic chemistry as adsorption. Carbon filtering has many uses, household and industrial. In homes, it is utilized to purify the drinking water made available for drinking, cooking food and additional household purposes. It’s mostly used in water purification, in atmosphere purification and in the processing of industrial gases like eliminating siloxanes and hydrogen sulfides from biogas.Before this forex transaction gain, pre-tax income for 2012 was $70,000, net of income attributable to noncontrolling interests. Cash flow, as measured by income before curiosity, taxes, depreciation and amortization , was $1,984,000 for the 4th quarter and $7,969,000 for 2013, in comparison to $2,067,000 for the fourth one fourth and $8,306,000 for 2012. At December 31 Balance Sheet Highlights, 2013, cash, money equivalents and certificates of deposit were $10,909,000 in comparison to $10,564,at December 31 000, 2012. Shareholders' equity December 31, 2013 was $24,055,000, or $5.22 per outstanding share. This compares to shareholders' equity at December 31, 2012 of $24,830,000, or $5.39 per outstanding share.