Supporting Of Roof By Roof Bolting (1.5M Length, 29Mm Dia) With Mechanical Drilling Of Holes, Jamming And Tightening The Roof Bolts With Bearing Plates/W-Straps Including Carriage Of Materials From Nearest District Store To Working Faces Within A Lea/Secl/Kb/Gm/So(M)/Enit/22-23/03/2022_Secl_244004_1 (EXPIRED)