Chipseal involves spraying the road surface with bitumen emulsion followed by a layer of crushed rock, gravel or crushed slag.
tʃˈɪpsiəl ɪnvˈɑːlvz spɹˈeɪɪŋ ðə ɹˈoʊd sˈɜːfɪs wɪð bɪtˈuːmɛn ɪmˈʌlʃən fˈɑːloʊd baɪ ɐ lˈeɪɚɹ ʌv kɹˈʌʃt ɹˈɑːk, ɡɹˈævəl ɔːɹ kɹˈʌʃt slˈæɡ.