637
Refer to para 8c(7).
639
Refer to fig 16.
642
CORRECT.
50/50 solder is one-half tin and one-half lead. It
is also used for electrical connections, copper tubing, brass,
cast iron, galvanized iron, and sheet metal.
643
Refer to para 10b.
647
CORRECT.
As soon as the plate is perforated the torch is
again lowered to the normal height above the work to complete the
cut.
657
Refer to para 4c(2)(d).
661
Refer to para 5d(l)(b).
662
Refer to para 30a(1).
679
Refer to para 7c(2).
685
Refer to para 5e(3).
690
Refer to para 4f(1)(c).
691
Refer to part 6c(7).
699
Refer to part 20g(5).
155
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