Clay Concrete Machine Operators may perform the following tasks:

• select dies, cores, rings and cutter assemblies to install on machines
• set controls on automatic cut-off knives or wires to cut extruded (pressed-out) clay
• position stone on machines to be cut or worked
• start machines and watch them to make sure equipment is functioning normally and that products meet requirements
• start mixing machines and adjust valves to feed and control the flow of ingredients
• operate material spreading devices
• spin pipe moulds to harden material and remove water
• operate hand-held machines to polish and cut roughly hewn stone to finished condition
• record causes and times of unscheduled stops due, for example, to a blockage in the machine
• replace cutting wires
• check products for defects
• clean machinery and equipment.