Tururi Barrier
Kyakkyawan inganci, cikakken sabis, ingantaccen sufuri, tsarin sauri da tsarin dabaru, don haka samfuran sun mamaye duk larduna, gundumomi da yankuna masu zaman kansu a duk faɗin ƙasar, ana amfani da su sosai a bangon labule, tsarin ƙarfe, tsarin katako, ƙauyuka, da sauransu, kuma ana fitar dashi zuwa waje. Turai, Amurka, Afirka, Rasha, Australia, Japan, kudu maso gabashin Asiya da sauran kasashe.