ðə mˈoʊst kˈɑːmən tˈaɪp ɪn ˈɜːli jˈuːs wʌzðə stˈoʊn fˈaʊɡæs, wˌɪtʃ wʌzɐ hˈoʊl sˈɪmpli fˈɪld wɪð lˈɑːɹdʒ ɹˈɑːks ænd bɹˈɪks.
The most common type in early use was the stone fougasse, which was a hole simply filled with large rocks and bricks.