A professional who tends equipment that converts liquid carbon dioxide into dry ice. Respnsibilities include:

• Turns valves to transfer liquid carbon dioxide to batch tank for weighing, and to expansion chamber where snow is formed by sudden release of pressure.
• Pushes lever of press to lower hydraulic ram that compresses snow into cakes.
• Pushes cakes onto conveyor that carries them under power saws that cut cakes to specified size and transfers them onto scale.
• Weighs cakes on scale, records weight, and covers dry ice with paper.
• Lifts ice into insulated box.
• Tends booster pumps to fill cylinders with liquid carbon dioxide under pressure.
• May tend automated system that converts liquid carbon dioxide into dry ice.