Original sentence: Common maintenance jobs include spraying ballast with weedkiller to prevent weeds growing through and disrupting the ballast.LGV construction.Permanent way.Rail Inspections utilize nondestructive testing methods to detect internal flaws in the rails.Rail siding.Rail terminology (including US/UK and other regional/national differences).Railway tracks are generally laid on a bed of stone ballast or trackbed, in turn is supported by prepared earthworks known as the track formation.Track class (United States)
Edited sentence: Common maintenance jobs include spraying ballast with herbicide to prevent weeds growing through and disrupting the ballast.Glossary of rail terminology (including US/UK and other regional/national differences).Permanent way: historical development.Rail inspections utilize nondestructive testing methods to detect internal flaws in the rails.Railway tracks are generally laid on a bed of stone track ballast or track bed, in turn is supported by prepared earthworks known as the track formation.Siding (rail).Speed limits in the United States (rail).TGV track construction