Chemical engineering 2 Chemical process control Chemistry, Technical 2 Data processing Design and construction 2 Energy facilities 2 Equipment and supplies espandi ... Extraction (Chemistry) 2 Fluid dynamics 2 Heat exchangers 2 Natural gas 2 Oil storage tanks 2 Petroleum refineries 2 Pipe and fluid dynamics 2 Plate towers 2 Shells (Engineering) 2 Storage 2 riduci ...