Education: Secondary (high) school graduation certificate. Tasks: Prepare plaster models and moulds. Cast gold or metal alloys for bridges and denture bases. Mould wax over dentures set-up. Finish metal framework of dentures. Prepare wax bite-blocks and impression trays. Pack plastic material in moulds to form full or partial dentures. Polish and buff dentures. Experience: 3 years to less than 5 years. Health benefits: Dental plan. Health care plan. Other benefits: Other benefits.