This facilitates breaking nails with bare palms following a 10-20 second dive. Weighty drinking water alterations the properties of your metal, making it brittle. But at this time of evaporation of large h2o, the rock returns to its preceding state.MSDS (B?ng d? li?u an toàn v?t li?u): H??ng d?n thi?t y?u c?a b?n v? an toàn hóa ch?t và tuân th