That wrought-iron bars heated to redness, and allowed to cool slowly in air, do not show any change in dimensions (Experiment 3).
When the steel is heated to redness the effects of the hardening are entirely removed, and the steel, if allowed to cool slowly, is softened or annealed.
When by this means the instrument has received its intended form, it is to be heated and allowed to cool slowly in the air.
The finished bottles are immediately piled up in the hot annealing arch, where they are afterwards allowed to cool slowly for 24 hours at least.
The metal is kept for several hours at a temperature a little below its fusing point, and then allowed to cool slowly.
Glass allowed to cool slowly in mass in the pot is particularly full of wreath; and if quickly refrigerated, that is in two or three hours, it is apt to split into a multitude of minute splinters, of which no use can be made.
If you intend to file-finish your work, remember to let it cool slowly, and do not harden it by immersion in water.
Hardened steel is softened by the process of annealing, which consists in heating the hardened steel to redness, and then allowing it to cool slowly.
The crystalline structure induced in this way may be removed by the process of annealing, which consists in heating the iron in a furnace, and then allowing it to cool slowly.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "cool slowly" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
