??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.??? ???? ???? ??? ???? ????? ?? ?????, ??? ??? ???? ????? ??? ?? ?? ????.????? ???????. ???? ?? ??? ?? ? ???, ?? ??? ??? ?? ?? ?? ??? ??? ? ????.?? ?? ??? ?? ?? ?? ?? ????. ??? ?? ??? ?? ??? ????. ? ???? ??? ?? ????? ???? ??? ?? ??? ?? ? ????. ?? ??? ???? ??? ???? ? ? ????? ????.???? ?? … Read More


??? ??? ?? ? ? ?? ?? ??? ????? ??? ?? ??? ???? ??? ???? ?????.??, ??? ?? ?? ??? ????? ????, ??? ???? ?? ???? ?? ???? ? ????? ?? ?? ? ??.??? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ??? '????'?? ??? ??? ?? ??? ???? ???, ??? ???? ???? ?? ????.???? ?? ???? ??? ??? ??? ????. ??? ????? ??? ??? ??? ???? ??? ?? ???, ??? ???? ?? ???? ???.?? ?… Read More


Gypsum is actually a tender sulfate mineral made up of calcium sulfate dihydrate, Along with the chemical components CaSO4·2H2O. It is widely utilized like a fertilizer, in building, and as being a soil amendment. Gypsum is really a By natural means happening mineral that is certainly present in sedimentary rock formations. It is commonly found in… Read More