۴ Legged Angular Telecommunication Tower
۴ Legged Angular Telecommunication Tower [column size=”1-2″ last=”0″] [/column] [column size=”1-2″ last=”1″] Tubular tower appeared year 2001 in China. The main pier is made from tubular, auxiliary part made from pipe and angel steel. The advantage of tubular tower: 1. Reduce…