... *1, M16*1.5, M52*2, M30*1.5, M27*1.5,M14*1.5, M45*1.5 7 2.4 Acceptable Whorl ring gauge M10*1,M16*1 ... FA2004N 1 2.4 Acceptable Grounding resistance tester LK2678B 1 1.0 Acceptable Integral ball DZ-7 1 1.0 Acceptable Function test SSB-15 1 1.0 ... .Drill hole 3.Pressing 4.Sealing test 5.Drying 6.Spraying 1 7.Spraying 2 8.Strength test 9.CO2 canned 10.Powder ...