Ihe eji eme ihe na-eme ka ihe nile di elu, dika oria, ndi nje, na algae, wdg.) Ugbu a, ha na-ekewa ụzọ anọ: pholylactic acid (pbs) estacy esta (pha) na pollactic acar (Pbat).
PLA nwere bisadable, biodegrafi, Njirimara nke eji arụ ọrụ na nhazi dị mfe, ma na-ejikarị nkwakọ ngwaahịa, ụlọ ọrụ Pollil na biomedical.
Enwere ike iji PBS na fim ihe nkiri, ihe ndị na-eme achịcha, ihe nkiri na-eji karama, ihe nkiri Kọmputa, na-egbu ọgwụ na-egbu egbu na-egbu egbu nwayọ na mpaghara ndị ọzọ.
Enwere ike iji Pha mee ihe eji eme ihe, agwọ ahụ maka ngwaọrụ ngwaọrụ, nkwakọ ngwaahịa na akpa mejupụtara, sonhopedic fim, fim na-emegharị na ihe nkiri.
Pbat nwere uru nke ezi ihe nkiri na ihe nkiri dabara adaba, ma na-ejikwa ọtụtụ ihe nkiri nkwakọ ngwaahịa na-enweghị atụ na fim.