vˈɛɹi hˈaɪ ˈɛndʒɪn tˈɛmpɹɪtʃɚz ɑːɹ ɐ pɹˈɑːbləm ðɪ ˈɛndʒɪn kæn ɡlˈoʊ bɹˈaɪt ˈɔɹɪndʒ wˌɪtʃ kɹiːˈeɪts ɐn ˈɑːbviəs mətˈɪɹiəl pɹˈɑːbləm.
Very high engine temperatures are a problem (the engine can glow bright orange which creates an obvious material problem).