Mugihe cyo kubaka umuhanda no kubungabunga umuhanda, amabuye manini, asfalt, na lisansi azarimburwa, hamwe na gaze nini yangiritse na soild imyanda izabyara. Muburyo bwa "Hard Carbone", kugabanya imyanda ihamye, yongera ibikoresho byo kubaka umuhanda no kubitaho bigomba gufata kugirango ugere ku ntego imwe yo kutabogama karubone. Guverinoma ya komini ya Xuchang irashaka uburyo bwo kongera gukoresha kaburimbo ya Asfalit yagaruwe (Rap), bityo leta yaguzeAshyushye asfalt recycling igihingwa.

Ashyushye ya recyclet asfaltNubwoko bushya bwo kuvanga ashalt bufite imiterere ihanitse, ahanini bitanga igihingwa-kuvanga ibihingwa bishyushye, bishobora kugera ku gutunganya ibirenze Asfalt. Gusya no gukusanya imyanda imvange kuva kunaniza byananiranye kaburimbo ya Asfalt kuri gahunda, nyuma yo kwerekana, kugaburira no gupima, kugaburira no gukora ibikoresho bitandukanye byo kubyara imvange nziza ya Asphalt.