1 Alka-Seltzer Plus Day and Night Cold FormulasÂ® (as a combination product containing Aspirin, Dextromethorphan, Phenylephrine)see Phenylephrine.  Alka-Seltzer Plus Day and Night Cold FormulasÂ® (as a combination product containing Aspirin, Dextromethorphan, Phenylephrine)see Dextromethorphan.
Injection moulding is widely used for manufacturing a variety of parts, from the smallest components to entire body panels of cars.his process is actually an injection moulding process performed twice and therefore has a much smaller margin of error. In the first step, the base color material is moulded into a basic shape, which contains spaces for the second shot.
Injection molding is a manufacturing process in which plastic material is forced into a mold cavity under pressure. Pelletized resins are fed into the injection molding machine, as well as any colorants required. The resins and colorants are introduced into an injection barrel where they are heated and melted.