Without annealing, the quality of our metal products will diminish.
This work also requires frequent annealing, for otherwise the wires or tubes would rupture.
To secure the highest possible permeability it is essential that the iron should be softened by careful annealing.
The second system is especially used for annealing large and heavy objects.
This was passed again and again between gradually approximated rollers, with occasional annealing, until the desired thickness had been attained.
The bowl is severed from the blowing iron, and the wine-glass is sent to the annealing oven with a bowl, longer than that of the finished glass, and with a rough fractured edge.