uselabo usecolor autocrop -7 10 setxrange -4 15 setyrange 20 setxunit %quadrillage marks /niveauLiquides [80] def /aspectLiquides [{cyan}] def /Gazs [{30 BullesChampagne}] def withbouchon /Tubes [(TubeDroit)] def 0 3 {-40} (Ballon) bbpict 0 3 (10 0) (Bunsen) /uc spict