Zida za Polyurethane zimagawika mu chithotho chofewa cha pu, chithovu cholimba, ndikupukutira thoko. Kusintha kwa chithope ka puamu kumagwiritsidwa ntchito pogwiritsa ntchito mapulogalamu osiyanasiyana monga kupsinjika, zovala zodzaza, ndi kufinya. Pomwe chithovu cholimba chimagwiritsidwa ntchito makamaka m'matabwa otchinga matenthedwe ndikuyika zida zotchinga mu zomanga zamalonda komanso nyumba, komanso (kuthira) madenga azomera.
Zogulitsa zomwe tikuyesa lero ndi chithovu chofewa, chomwe chimagwiritsidwa ntchito kwambiri kugwedeza nkhawa ndi kugwedezeka.
Chithunzi chakumanzere chikuwonetsa kuwunika koyambira koyambirira, ndipo chithunzi cholondola chikuwonetsa kugwedeza kokweza mutathamangitsa.
Kuchokera pazithunzi, zitha kuwoneka kuti kugwedezeka kokweza sikuwoneka komwe kumawonekera ndi gululo lowoneka bwino, ndipo zowombeza zimapezeka pa cholumikizira. Chingwe cha zinthuzi chili ndi kuchuluka kwakukulu komanso kuchuluka, ndipo makonzedwe othamanga samangowononga nthawi komanso kuvutitsa. Chifukwa chake, kasitomala watipatsa kuti tichite ma brogenic olimbikitsa.
Izi zimagwiritsa ntchito makina a NS-180 kuti akonzekere. Makina a ma 180 achitsanzo ali ndi mphamvu zambiri ndipo ndi yoyenera mabizinesi okhala ndi mapangidwe akulu opangira zamalonda ndi kupanga kwakukulu.
Njira yotsamira ya crygeenic siyingakhudze mawonekedwe ndi magwiridwe antchito. Njira yotsatsa imatenga pafupifupi mphindi 10-15.
Kufanizira kwa mawonekedwe a malonda kale komanso pambuyo poti afotokozeredwe ndizodziwikiratu. Chikhalidwe cha malonda sichinasinthe.
Kulondola kwa stmc kwakhala kukuyang'ana pa empugenic kwa zaka 20. Timalandila makasitomala onse kuti atiyimbire mafunso!
Post Nthawi: Jul-02-2024