Ngathi
Njengomvelisi wengca eyenziweyo yobuchwephesha, oomatshini bethu bodidi oluphucukileyo banokuvelisa iithafa ezahlukeneyo ezenziweyo ukusuka kwi-6-mm ukuya kwi-75-mm, ezinokuthi zisetyenziselwe usetyenziso olwahlukeneyo, njengokujonga umhlaba kwigadi yakho, ibala lemidlalo elinje: ibhola ekhatywayo, intenetya, iqakamba. , ibhola yomnyazi, igalufa, njl, iindawo zokuzonwabisa ezifana: uphahla, indawo yedama lokuqubha, indawo yeofisi, njl.