Gallium. Chemical-atomic-emission method for the determination of aluminium, bismuth, cobalt, silicon, magnesium, manganese, copper, nickel, lead, silver, chromium, zinc and iron
Basic norms of interchangeability. ISO general purpose metric screw threads. Tolerances. Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing