Ubuso bwumuhanda kaburinganijwe hamwe na yahinduwe asfalt asiba kandi yambara imbaraga, ntabwo yoroshya ubushyuhe bwo hejuru, ntabwo yiyongera kubushyuhe buke, bufite ubushobozi buke bwo hejuru, kandi bugwire ubuzima bwa serivisi.
Byahinduwe byahinduye ibikoresho bya ashalt ni kimwe mubikoresho bikoreshwa mugihe kirekire mumishinga yo kubaka umuhanda. Mbere y'ibikoresho byose bishyirwa mubikorwa, bigomba kugenzurwa kugirango bishyiremo. Reba niba ari ibisanzwe, hanyuma ubikoreshe. Hano, duxiu azamenyekanisha igenzura ryahinduwe ibikoresho bya asfalt:

Ubwa mbere, reba Amazu yahinduwe yahinduwe ibikoresho bya ashalt. Niba icyuho cya asfalt ya asfalt ya asfalt ya asfal ya emerapier yakoreshejwe igihe kinini kizaba kinini, noneho dukeneye kubihindura muriki gihe kugirango dukomeze umusaruro. Iki nikibazo cyoroshye.
Gisesengura ikibazo cyabahindura. Muri rusange, ingano ya modifier yongeyeho igomba kuba ihari. Mugihe wongeyeho, agaciro ka PH kigomba guhindurwa ukurikije ubwiza bwamazi atandukanye. Iki kibazo gisaba abakozi babigize umwuga mu gusesengura. Indi mpamvu ishoboka nuko ibikoresho byahinduwe ibikoresho bya asfalt ubwayo bifite ibibazo. Kuberako asfalt isanzwe ifite kandi ibyiciro bitandukanye, mugihe utangajwe asfalt, ugomba kwitondera niba ibikoresho bibisi byakoreshejwe ni asfalt isabwa kandi ikemeza ko ari nziza.