text
164
51
523
139
These are the basic gas welding techni-
ques.  With  practice  and knowledge of
metals such as heat-treating and  hand-
ling alloys, you'll  be a  very  useful
member of our  mechanical civilization.
For further reading,  we recommend gen-
eral metallurgy  texts  for high-school
and  trade   school  level  metal  shop
courses. There are several and they are
available at all libraries.~
linestyle
3
circle
342
95
220
text
282
148
412
158
LETS GO A STEP
~
text
316
158
382
168
FURTHER
~
