… bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping …
Explanatory notes
… bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping … means of an excavating bucket, grab, etc., operated either directly from the end of a boom or jib (shovel excavators, …