This unit group includes workers who cast and finish concrete products, operate machines to extrude, mould, press and bake clay products, and operate machines to form, cut and finish stone products.
此单元组包括投掷并完成混凝土制品，操作机器挤压，制模，按压和烘烤粘土制品，操作机器构型和切割并完成石材产品的工人。
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