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Cleaning technology of home decor glassware (including cover slides and slides) Note: strict safety precautions must be taken for all cleaning work! Cleaning method of glassware (1) First, prepare a...
Note: All cleaning work must take strict safety precautions! Glassware cleaning method (1) First prepare the cleaning agent (also called lotion): 200mg potassium dichromate, 1000ml water, 1000ml...
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