Injection molding is the most commonly used manufacturing process for the fabrication of plastic parts. A wide variety of products are manufactured using injection molding, which vary greatly in their size, complexity, and application.The injection molding process requires the use of an injection molding machine, raw plastic material, and a mold.eturn to top. The process cycle for injection molding is very short, typically between 2 seconds and 2 minutes, and consists of the following four stages: 1  Clamping-Prior to the injection of the material into the mold, the two halves of the mold must first be securely closed by the clamping unit.
To enlist in the Army Reserve you must be: Between the ages of 17â35 (must ship to basic training prior to 35th birthday) A U.S. citizen or registered alien â U.S. Citizens or Permanent Resident Aliens (people who have an INS I-151/I-551 âGreen Cardâ) may join the U.S. Military. Healthy and in good physical condition.
If you have an enlistment that runs out after 4 years, you may also find yourself classified as Individual Ready Reserve, or IRR, in order to complete six years of total service. In the IRR, though it is not required, you can still be promoted, compile retirement points, and participate in annual training. Be a U.S. citizen or nationalized to be a Reserve or National Guard officer. 2  To enlist, you must be a U.S. citizen or a resident alien. 3  Age requirements differ between branches of service, but in general you must be between the ages of 17-42 with no prior service (NPS).