The industrial plant in which coke is manufactured(noun)
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Use "coker" in a sentence
"Last year, Valero was delayed in restarting a processing unit, called a coker, that was idled for maintenance."
"At least one of about 30 "serious" investors lined up to bid on the property have expressed interest in buying an important piece of machinery called a coker, Big West union official Ed Huhn said last week."
"In thy county town how many die from going bat out of hell, pouring rot gut, snorting coker leaf, versus succumbing to the sniffles."