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

??? ???? ???? ??? ??? ? ?? ?? ?? ???, SP Karaoke? ?? ?????! ??????? ?? ???????? ? ??? SP Karaoke? ??? ???? ???? ????? ???? ??? ??? ?? ? ?? ?? ?? ??? ?????.SP Karaoke? ???? ?? ??SP Karaoke? ??? ?? ???, ??? ? ??, ???? ?????? ??? ???? ??? ??? ??? ?????. ??? ??? ????? ??? ??? ?? ????, SP Karaoke? ?? ????? ??? ??? ?????.??? ?? ???: ??? ??? ??? ???? ??? … Read More

??? ?? ??? ???? ????? ?? ????? ? ?? ???? ?????. ?? ??, ??? ??, ?? ?? ? ??? ??? ???? ???? ???? ??? ??? ?? ?? ??? ?? ????.???(?? · ??) · ????? · ?? · ??? · ?? ?? ? ?? ?? ?? · ???? · ???? · ??? ?? · ????? · ??? · ??? · ???? · ??? · ??? ?? · ?? ??? · ???? · ?? ?????? ????? ???? ?? ??? ??? ??? ??? ???. ???? ??? ????? ???? ??, ?? ????? ?… Read More

Cenospheres are lightweight, hollow, spherical particles derived in the fly ash of coal-fired electrical power crops. Composed generally of silica and alumina, these special materials present A variety of valuable Qualities, which include reduced density, high power, and thermal insulation. Cenospheres have become a worthwhile industrial product ac… Read More