Watch 123Movies. The first portion, "Rust," follows a group of factory workers in three state-run factories: a smelting plant, an electric cable factory and a sheet metal factory. Workers of all three are hindered by sub-standard equipment, hazardous waste, and a lack of safety precautions. Perhaps even worse, the declining need for heavy industry results in a constant shortage of raw materials, leaving the workers idle and concerned for their future. In Chinese, this section is called 工廠 (gōngchǎng), meaning "factory"