It ' s just a quote from the show Metalocalypse , a show about the band Dethklok . <| sep |> I know next to nothing about construction , including most of the technical terms mentioned here , so it could very well be that some translations might not be the most accurate metal formwork smooth metallschalungsglatt seems to be a set term ? measures for the ceiling element 12 . 35 m x 2 . 4 m maximum dimensions standard width for the ceiling element 2 . 4 m thickness of the concrete paneslice 4 to 7 cm weight of the ceiling element from 100 kgm 2 for a 4 cm thick paneslice reinforcement ceiling element contained in the panes stripping of the openings built in from the factory surface metal formwork smooth concrete strength ceiling element C 2530 standard , others on demand exposure class XC 1 XC 2 standard , others on demand lattice girder electrowelded Type 12 . 5575 standard , others on demand reinforcement B 450 C height of the packing fillers from 8 to 32 cm built in the factory width of the packing fillers 39 cminsitu concrete carried out by the customer at their own expense concrete strength of the insitu concrete according to static requirements at least C 2530 exposure class according to project requirements ! doublecheck