Babban fasali:
High lantarki juriya, low zazzabi coefficient, tsawon rai, high surface load da kyau hadawan abu da iskar shaka, mafi girma zazzabi yanayi fiye da bakin bakin zaren.
Aikace-aikace:
Rawan kayan don ƙera abubuwan tsabtace iskar gas (GPF), matattarar zafin jiki mai ɗumi, masu ƙonewa, da sauransu.