-Circular Type recommended use, this category allows material flowthe best.-Type and intermediate types can also be used. However,of course, the flow of plastic to mold a more restricted esteem by typedesign tends to reduce the cooling of the material in thethe trench system.-Types of rest are not recommended because there is no dark flowfavor and cools the material quickly. If the material cools quickly then the materialthe no compression fit, thus causing the phenomenon of shrinkageor some other disabilities.
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