Ingasetyenziswa njengendawo yokutya okanye njengendawo yokusela amanzi.
1.Igusha yeplastiki yokutya yamkele umatshini wokubumba wamazwe ngamazweingcinezelo yexesha elinye kwaye ihlala ixesha elide
2.Ukuqina okuphezulu kweplastiki yokhuseleko lokusingqongileyo,ikhuselekile engenatyhefu.
I-3.Imveliso yongeza i-antioxidants, i-sunscreens.I-Antifreeze, njl., Ukumelana nemozulu ye-UV ukumelana nobushushu obuphantsi.
4. Economic and practical, lula ukucoca feed residual.