마케팅프로그램: 10 Things I Wish I'd Known Earlier
https://anderaw8z0.doodlekit.com/blog/entry/5278375/9-signs-you-need-help-with-
CAD means Pc Aided Design or Computer Aided Drafting. CAD was designed from the early 60s. Currently it is the Leading strategy to design, develop and optimized products.