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Tq so much it help before lab exam🥳🥳
Very good mam ❤️
Thank you
Mam kindly give your phone number,mam may you tell about solder solution, how to check tin (sn) purity in pb lead
😂
Tq so much it help before lab exam🥳🥳
Very good mam ❤️
Thank you
Mam kindly give your phone number,mam may you tell about solder solution, how to check tin (sn) purity in pb lead
😂