E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
E01B27/13—Packing sleepers, with or without concurrent work on the track
E01B27/14—Manual tools or hand-held power tools therefor
Procede de constitution d'une ligne de travail a zones de travail de hauteurs variables, pour une chaine d'assemblage de pieces, et ligne de travail associee