Ka pahū te paura uku ina tino pai.
Hei whakaurunga tuatahi o te uku, waiwaro kakara polycyclic, ina rawaka te parapara, he pai ki te hanga puehu. Due to asphalt’s extensive surface area, he ngawari te taunekeneke ki te hau, te whakanui ake i te tupono o te pahū o te puehu.