Iyo primer yependi yependi yeruvara ine hunhu hwekusimba kwepamusoro, iyo isinganyatso kuomerera kune asphalt uye kongiri pavement, asi inoitawo basa mukuisa chisimbiso nekudzivirira iyo pavement substrate. Iine mhedzisiro yekuchengetedza uye kurebesa hupenyu hwebasa remapavha akakosha senge asina mota nzira.
