1, manyan iska kwarara, Very low juriya, Madalla da samun iska yi.
2, ƙananan don ɗaukar sararin samaniya, ya dace da ƙananan kayan aikin hukuma.
3. Babban yanki na tacewa, babban ƙarfin ƙurar ƙura, Rayuwar sabis mai tsayi, Kyakkyawan daidaito da tasiri.
4. The Air tace kafofin watsa labarai ƙara sinadaran abu , wanda zai iya tace ba kawai ƙura ba amma kuma gaseous gurbatawa a cikinYanayin yanayi na ruwa.