A plastic injection molding machine includes a rod having an end engaged with a slide member located beside the lower mold, and a position block connected to the upper mold. For example, aqueous and ethanolic extracts of Ligustrum lucidum Ait. An elastic cord is attached at opposite sides of the base and extend about the roll of material for holding the roll of material in the open channel. The processing module determines whether a 3-D display request is received and generates a 3-D display command when the 3-D display request is received.