lab में सभी chemical और उपकरण को रखने के उपाय
Stock register 1. Chemical Stock Register Sr. No. Date Chemical Name Opening Stock Purchase Qty Total Available Quantity Used Remaining Stock Remarks 2. Chemical Issue Register Sr. No. Date Chemical Name Quantity Issued Issued To Purpose Remarks 3. MSDS Record Sheet Sr. No. Chemical Name Hazard Class Handling Precautions First Aid Remarks 4. Equipment Stock … Read more