A perforated tarpaulin Tarpaulins are also useful for advertisement printing, most notably for billboards. Perforated tarpaulins are usually useful for medium to large promoting, or for defense on scaffoldings; the purpose on the perforations (from 20% to 70%) is to lower wind vulnerability. Thanked 29 Situations in 9 Posts Arc https://dantemokfy.topbloghub.com/40419427/the-best-side-of-izmir-pergola