Thaum Lub Tsib Hlis 21, ib txheej ntawm pob zeb sib kis tau yuav los ntawm Ghanaian cov neeg siv khoom tau them tag nrho, thiab peb lub tuam txhab tau sim peb qhov zoo tshaj plaws los npaj cov khoom.

Lub pob zeb sib kis yog ib yam khoom tshiab ntawm nws tus kheej tsim los ntawm kev sib koom ua ke ntau yam zoo thiab kev tsim kho kev nplua nuj. Cov khoom siv no yog siv ua ke nrog asphalt kis cov tsheb thauj khoom thiab yog cov khoom siv pob zeb zoo tshaj plaws.
Peb lub tuam txhab muaj peb tus qauv thiab hom kev xaiv: Tus kheej-propelled Chip Spreader, Pull-type Chip Spreader thiab Lift-type Chip Spreader.
Peb lub tuam txhab kub muag cov qauv ntawm tus kheej-propelled nti spreader, yog tsav los ntawm lub tsheb los ntawm nws cov traction unit thiab txav rov qab thaum lub sij hawm ua hauj lwm. Thaum lub tsheb tsis muaj, nws raug tso tawm manually thiab lwm lub tsheb thauj khoom txuas mus rau Chip Spreader mus ua haujlwm.