Sentences with 'hardening'

Example sentences and phrases with the word hardening and other words derived from it.

« These specialist bees choose midday as the most favourable time to make propolis, during spring and summer. This is probably to take advantage of the warmth of that time of day and to avoid hardening during production. »
« Along with other foreign and domestic uprisings, the French Revolution contributed to the hardening of the political divide in the United States in the early 1790s. »

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