- 27
- Nov
Ahoana no hanadiovana ny porcelain crucible?
Ahoana no hanadiovana ny porcelain crucible?
Azonao atao ny manandrana azy amin’ny lotion asidra chromic. Fomba fanasana lotion asidra chromic: lotion asidra chromic (100g potassium dichromate levona amin’ny asidra sulfuric 200ml), tandremo tsara ny fiarovana rehefa manomana, mikarakara azy, ary tadidio ny mitadidy.