Possible Clues:

• Move around, with 'about'
• Pepper-grinding dispenser
• Word following 'pepper' or 'rumor'
• Lumber-processing plant
• Plant that could make mower initially unwell
• Factory type
• 'A System of Logic' author, 1843
• Philosopher works?
• Works poorly after end of term
• A plant that processes materials by grinding or crushing