ðeɪ dɪsɹˈʌpt ðə hˈɑːmoʊdʒnˌeɪɾi ʌv stɹˈʌktʃɚ, sˌoʊ ðɛɹ ˈɪnfluːəns ɔnðə mᵻkˈænɪkəl ænd ˈʌðɚ pɹˈɑːpɚɾiz kæn biː kənsˈɪdɚɹəbəl.
They disrupt the homogeneity of structure, so their influence on the mechanical and other properties can be considerable.