Ndi chitukuko cha zachuma ndi kupita patsogolo kwa chikhalidwe cha anthu, moyo wakuthupi wa anthu ukuwonjezeka nthawi zonse, kuchuluka kwa zinyalala zotayidwa m'moyo watsiku ndi tsiku zikuwonjezekanso.Kuipitsa koyera kwakhala nkhani yofunika kwambiri kwa anthu onse, ndipo chitetezo cha chilengedwe chalandiranso chidwi cha anthu.Chifukwa chake, kafukufuku wokhudzana ndi kusinthika kwachilengedwe kosagwirizana ndi chilengedwe komanso zida zatsopano zowola wakopa chidwi padziko lonse lapansi.M'malo ano, fiber ya PLA yomwe imatha kuwonongeka kuchokera ku zomera, yasanduka nsalu yatsopano ndipo imakondedwa ndi msika.