A professional who tends vacuum conditioner (steam-pressure chamber) that moistens opened hogsheads of tobacco for further processing. Respnsibilities include:

• Opens chamber door and pushes hogsheads of tobacco into chamber or starts hydraulic lift that moves hogsheads into chamber.
• Closes chamber door, starts vacuum pump, and turns valve to admit steam into chamber.
• Observes gauges and dials on control panel to determine when temperature and air, steam, and vacuum pressure reach specified levels to force steam through tobacco.
• Removes hogsheads from chamber.