Hei hua rongonui mō te wā roa i roto i te umanga whakarewa,ngā wira amo kawenga polyurethane (PU)kua paingia tonutia e te mākete nā te mea he kaha ki te kawe i ngā kawenga taumaha me ngā painga maha.

He mea hanga mai i ngā rauemi mata kounga teitei mai i ngā waitohu o te ao, ehara i te mea he mea hanga noa ngā wira hei kawe i ngā taumaha taumaha, engari he āhuatanga anō hoki o te tiaki papa, te takahanga maeneene, te hurihuri mārie me te eke maeneene. He hoahoa wira rapa rino taumaha, ka roa ake te mau. Ka taea e rātou te tu atu ki te mimiti o te hinu, te ngako, te makuku me te nuinga o ngā whakarewa. He tino pai mō te taiao uaua, ā, he pai tonu te mahi.Ngā wira Polyurethane (PU)he ātete ki te kakahu, he ātete ki te haehae me te ātete ki te pānga, ā, kāore e ngāwari ki te whakapēke, ki te whakapara rānei. I roto i ngā horopaki tono ahumahi, ki te whakaritea ki te rino maka tuku iho me ētahi atu wira mārō,ngā wira polyurethane (PU)ka tino whakaiti i te haruru o te mahi, ka puta he huringa marino ki te taiao mahi.

Ngā wira amo kawenga Polyurethane (PU)e whakamahia whānuitia ana i roto i ngā wāhi matua pērā ingā forklift, ngā pūnaha whakahaere waka ārahi aunoa (AGV), ngā whare putunga atamai toru-ahu, ngā mīhini hanga, ngā whare whakangahau me te hanga wakaKa whakaratohia e rātou he taurangi mahi kaha mō ngā taputapu pūkoro ahumahi, ā, ka noho hei tauira mō ngā wira whānui i roto i te umanga mīhini.