... ,18 Technical Note ,1, Stardand roll ,length in 30 M, width of 0.5-1.8 m ,2 , Special size available at requirement ... ,3, Pack:ing waterproof paper in roll , client’t pack ... ,18 Technical Note ,1, Stardand roll ,length in 30 M, width of 0.5-1.8 m ,2 , Special size available at requirement ...