Alloy Smelter 10
Bar 7
Beam 3
Belt 6
Carpentry 4
Circuit 2
Circular Saw 4
Coal 10
Concrete 3
Concrete Mixer 3
Conveyor 1
Copper 3
Electronics Assembler 2
Frame 4
Glass 3
Iron 9
Load Balance 5
Logistics 7
Pane 1
Parts 5
Plank 2
Plate 4
Press 9
Radio 1
Station 1
Steel 2
Tube 2
TV 1
Vacuum 1
Warehouse 1
Wire 3
Wood 4
Reinforced Concrete Beams, Iron Bar, Iron Plate, Iron Parts, Steel Bar, Steel Beams
TV, Radio, Circuit Board and Vacuum Tube
Vacuum Tube and Circuit Board
Wood Frame
Wood Frame
Reinfoirced Concrete Beam
Steel Bar, Steel Beam and Reinfoirced Concrete Beam
Iron Bar, Iron Parts, Iron Plate
Copper Bar and Copper Wire
Frame and Advanced Wood Frame