Ụdị igwe na-akpụzi ihe ntụtụ rọba a na-eji na ụlọ ọrụ mmepụta akụkụ rọba
Ụdị igwe eji akpụ akpụ rọba nke a na-eji eme ihe na akụkụ plastik n'ichepụta ụlọ ọrụ Piston Injection Machines Plastic injection molding with a single stage piston bụ usoro kachasị ruo mgbe 1955. Usoro a nwere gbọmgbọm nke jupụtara na plastik, bụ nke a na-agbaze site na igwe ọkụ na-ekpo ọkụ. resists dị na gburugburu...