uselabo usecolor autocrop -7 10 setxrange -4 15 setyrange 20 setxunit %quadrillage marks /niveauLiquides [80] def /aspectLiquides [{cyan}] def /Gazs [{30 BullesChampagne}] def 0 3 {-70} (TubeEssais) ccpict 0 3 (-20 -10) (Bunsen) /uc spict