Makina opangira misewu ndi osiyanasiyana, kotero tiyeni tikambirane chimodzi mwa izo, chomwe ndi chomera chosakaniza phula. Amagwiritsidwa ntchito makamaka popanga phula, choncho ndizofunikira kwambiri pakati pa makina opangira misewu ndi zipangizo. Gawo lofunika, ngati khalidwe la mankhwala omalizidwa silili bwino, lidzakhudza kwambiri khalidwe la msewu. Chifukwa chake, pansipa, mkonzi agwiritsa ntchito mtundu wa funso ndi yankho kukutsogolerani kuti mupitirize kuphunzira.

Funso 1: Kodi mafuta a petroleum asphalt angagwiritsidwe ntchito mwachindunji posakaniza phula?
Izi ndizotheka kwathunthu, ndipo zitha kugwiritsidwa ntchito ngati zopangira kupanga zinthu zatsopano za asphalt.
Funso 2: Chomera chosakaniza phula ndi konkire ya phula, pali kusiyana kulikonse pakati pawo?
Palibe kusiyana pakati pa chomera chosakaniza phula ndi phula losakaniza konkire. Iwo ali ofanana, koma womalizayo ali ndi dzina laukadaulo kwambiri.
Funso 3: Ndi dera liti la ??mzindawu komwe kuli makina omanga misewu monga malo ophatikizira phula nthawi zambiri?
Makina opangira misewu monga malo ophatikizira phula nthawi zambiri amakhala kunja kwa mizinda, kutali ndi madera akumatauni.