Indwangu iyisici esibalulekile sokunquma izinga lesudi. Ngokwezindinganiso zendabuko, uma okuqukethwe uboya kwendwangu yesudi kuphakeme, izinga liphezulu, kodwa hhayi isudi yoboya emsulwa lihle, ngoba indwangu yoboya emsulwa iyasinda, kulula ukuyibopha, ayimelani nokugqokwa, futhi ukunganaki okuncane kulula futhi ukuyibumba futhi kudliwe yizibungu. Ukwakheka kwendwangu kuvame ukuboniswa ophawini lokuwasha isudi. Lokhu okulandelayo ezinye zezindwangu zesudi ezivamile emakethe kanye nendlela yokuhlonza isudi yezinga eliphezulu:
Njengoba igama lisho, indwangu eboshiwe ngoboya iwuhlobo lwendwangu ecolekile, igama elinjalo lihlala likhumbuza abantu ngendwangu ecolekile, ngenxa yokuphotha kahle kanye nenqubo ecolekile, indwangu eboshiwe ngoboya inezici ezithambile neziqinile.
Ngaphezu kokukhethwa koboya obusezingeni eliphezulu, inqubo yendwangu yezindwangu eziboshiwe nayo iyadingeka kakhulu -- ngaphambi kokuphotha, okokuqala, imicu emifushane nekhululekile yoboya kufanele isuswe, bese imicu emide eseleyo ingasetshenziswa ekuphotheni, okuyisona sizathu esenza ukuthi izindwangu eziboshiwe zithambile futhi ziqine.
Indwangu exubile yoboya ne-polyester: ubuso belanga bukhanya, ukuntuleka kwendwangu yoboya emsulwa umuzwa othambile othambile. Indwangu yoboya-i-polyester (i-polyester-polyester) iqinile kodwa iqinile, futhi inezinga elikhulayo le-polyester futhi isobala. Ukuqina kwayo kungcono kunendwangu yoboya emsulwa, kodwa umuzwa wayo awumuhle njengoboya obumsulwa noboya kanye nendwangu exubile. Bamba indwangu ngokuqinile bese uyidedela, cishe akukho ukugoba. Ingeyendwangu yesudi ejwayelekile kakhulu.
Uma unentshisekelo ngendwangu yethu yoboya be-polyester, ungaxhumana nathi ukuthola ulwazi olwengeziwe!