Solder paste column M705, flux, board washing drinking water with complete alcohol; board washing water is used to wash up the solder residue following repair; thermal gel (specification: Fujipoly SPG-30B) is accustomed to smear the floor on the chip immediately after repair ;ball-planting steel mesh, solder absorption wire, solder https://antminers19hashboard09752.kylieblog.com/31998624/a-review-of-antminer-s19-pro-hash-board