Caadi ahaan, wax-soo-saarka burburka ee lagu farsameeyo dhagxaanku waa qiyaastii 80-90%, taas oo ah, hal tan oo burbur ah ayaa jebin kara 0.8-0.9 tan oo dhagaxyo ah, sababtoo ah sifooyinka qashinka ee gobollada kala duwan ayaa kala duwan, sida: viscosity, content budada. Qadarka, qoyaanka, iwm., haddii ciidda iyo wasakhdu ay ku jiraan...
Akhri wax dheeraad ah