… bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping …
Explanatory notes
… bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping … number of earth digging, excavating or compacting machines which are explicitly cited in the heading and which have in …