Increases in the width of a mast should be based on the widest point which would help facilitate bigger masts to support sharing and have increases of up to 50% or two metres whichever is the greater.
Dylai cynnydd mewn lled mast fod yn seiliedig ar y pwynt lletaf a fyddai’n helpu i hwyluso mastiau mwy i gefnogi rhannu a chael cynnydd o hyd at 50% neu ddau fetr, pa un bynnag yw’r mwyaf.