7 [EXCAVATING MACHINES,] TRENCH-FILLING MACHINES, SCREENS FOR SEPARATING MATERIALS ACCORDING TO PARTICLE SIZE, VIBRATING SCREENS, [STONE CRUSHING MACHINES, MACHINES FOR LAYING PIPELINES, MOBILE STONE-CRUSHING MACHINES, MACHINES FOR LAYING PIPELINES, EARTH MOVING MACHINES, NAMELY, GRADERS, LOADERS, SCARIFIERS, SCRAPERS AND HAULERS, AND VEHICLE-MOUNTED STONE CRUSHING MACHINES]