Wrench, however, is to he chained to tank and ready for emergency in case it is necessary to turn off valve quickly. ... When shutting off torch, or In case torch hack-fires, close oxygen valve first. ... Keep cylinders under roof out of strong sunlight and away from heat, bb this will cause expansion of the contents and aquot; hiowaquot; theanbsp;...
|Title||:||Ford production methods|
|Author||:||Hartley W. Barclay|