Making holes, e.g. by drilling, punching, flame-cutting

Full Title

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27) > Working rail or other metal track components on the spot > Making holes, e.g. by drilling, punching, flame-cutting