Kutengera mawonekedwe omangika ophatikizidwa ndi zitsulo zotayira phokoso za aluminiyamu ndi zida zowulutsira kuwala, kakulidwe ka zotchinga zotchingira mawu pakugwiritsa ntchito zida ndi kulemera kopepuka, kuwonekera, kumveka bwino kwa mawu, mphamvu yayikulu, kuyika kosavuta, komanso kukweza kwambiri. digiri ya mafakitale mu zomangamanga. Kugwira ntchito kwamayimbidwe ndikwabwino ndipo malo omangiramo ndi ochepa, pomwe amakwaniritsa zofunikira zachitukuko monga kukonza kosavuta, kusaipitsa chilengedwe, komanso kukonzanso kosavuta.