You are visiting an old profile of rk-77. While rk-77's profile data has been deleted, we are thankful for the contribution rk-77 made to CrazyEngineers.

CrazyEngineers has achieved exceptional success because of tens of thousands of engineers like rk-77 for over -18.414121156281 years

Feel free to visit our homepage at CrazyEngineers - World's Largest Community of Engineers and consider becoming a member.