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Main provisions of the crystals theory:
Practical techniques:
Ammonium dihydrophosphateAmmonium dihydrophosphate, Aleksey BusarginAleksey BusarginVKontakte
Ammonium dihydrophosphateAmmonium dihydrophosphate, Maxim MartinovMaxim MartinovVKontakte
Sodium chlorideSodium chloride, Aleksandr ChernikhAleksandr ChernikhVKontakte