எக்ஸ்ட்ரூஷன் மற்றும் இன்ஜெக்ஷன் மோல்டிங் இரண்டும் ஒன்றுதானா?

Are extrusion and injection molding the same? Extrusion and injection moulding are not the same process. Both melt plastic and force it through a die or into a cavity under pressure, but the forming mechanism, the type of output, and the applications they serve are...