Component: Girder A strong steel girder is used for structural support and primarily in the glass windows. Girder Material Required Iron Ingot 6 Mass 6 kg Integrity 15 Volume 2 L Base Production Time 1 s Other Components Bulletproof Glass Canvas Computer Construction Component Detector Components Display Explosives Girder Gravity Generator Components Interior Plate Large Steel Tube Medical Components Metal Grid Motor Power Cell Radio-Communication Components Reactor Components Small Steel Tube Solar Cell Steel Plate Superconductor Component Thruster Components Zone Chip