I-Blow molding, eyaziwa nangokuthi i-hollow blow molding, iwuhlelo olukhula ngokushesha lwepulasitiki.Inqubo yokubumba ukuqhuma Phakathi neMpi Yezwe II, amasondo avuthululwe ekuqaleni asetshenziselwa ukukhiqiza izitsha ze-polyethylene ezingaminyana kancane.Ngasekupheleni kwawo-1950, ngokuzalwa kwe-high-density poly...
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