A na-eji ngwaahịa anyị eme ihe na ime obodo, na-arụkwa pavement n'okporo ụzọ awara awara.
emetụtakwa groove, ọkpọkọ trenchi backfill compaction na-ewu engineering,
ihe owuwu ụlọ na ihe omume ụlọ square, ahịhịa ahịhịa, wdg.
A na-ejikarị SVH70 ROAD ROLER mpikota onu na asphalt, ala aja na gravel.A na-ejikwa ya mpikota onu na egwu na ụlọ akwụkwọ na planish ahịhịa.Nke a bụ ihe nlereanya kachasị ọhụrụ nke rollers ọrụ ọkụ n'ime ụlọ.
Ngwa ala na ngwa asphalt.Ihe owuwu ọhụrụ na mmezi nke ụzọ ụzọ, ubu siri ike, ụzọ okirikiri,yad na ụzọ ụgbọ ala, ogige egwuregwu ụmụaka, ogige tenis na egwuregwu yana iwu okporo ụzọ ugbo na ọhịa.