Phase 1 ｜ Planning stage​

 
Phase 2 ｜Proposal stage​

 
Phase 3 ｜Design stage​

 
Phase 4 ｜Mechanism Design & Engineering​
 
Phase 5 ｜Prototyping​
 
Phase 6 ｜Mold & Production Review stage​
 
Phase 7 ｜Production trial production stage, PPR​
 
Phase 8 ｜Mass production stage, MP
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