dˈʌst mˈæsks ænd ɹᵻspˈɪɹeɪɾɚz jˈuːʒuːəli duːnˌɑːt kˈɑːntækt ðə mˈaʊθ, ænd ðˈɛɹfoːɹ ˌɪntəfˈɪɹ lˈɛs wɪð spˈiːtʃ ðɐn klˈɔθ mˈæsks ðæt dˈuː kˈɑːntækt ðə mˈaʊθ.
Dust masks and respirators usually do not contact the mouth, and therefore interfere less with speech than cloth masks that do contact the mouth.