The creation of coordination drawings depends on expert involvement because this process demands absolute precision in details. The high importance of these drawings requires utmost caution from involved professionals who must prevent mistakes that will result in expenses and delays in project execution. Web2.0: https://hvacshopdrawings.wixsite.com/drawings/post/key-mistakes-professionals-must-avoid-when-making-coordination-drawing Website: https://www.hvacshopdrawings.net/coordination-drawings/