Possible Clues:

• Crude oil, to a refinery
• Inexperienced person on ship before retreat overturned oil, say
• Artist's mother in law I cultivated, not the finished article
• It gets processed
• Iron ore, to a steel mill
• Cotton, for one
• Cotton or wood, for example
• Crude factory input
• Factory input
• Alarm waiter, changing order for something uncooked