E vakacava na balavu ni gauna me caka kina o Asphalt Paving me yaco me sega ni veivagarogaroi

E kena ivakarau, na kena cakacakataki e veibasai 20 siga. E dau vakaraitaka na waiwai na veivagarogaroi, hydrocarbons na kena iboi. Veibasai, asphalt ni koala tar, vutuniyau ena benzene-veisemati veiveisau, e kilai levu cake na veivagarogaroi.

E dina ni veivagarogaroi na veika oqo, na kena dau vakayagataki vakalevu na gauna e dau gadrevi me vakatakilai kina na revurevu gaga.