Zbrush Hard Surface Modeling Timelapse

Hi guys! I released a ZBRUSH HARD SURFACE Timelapse Vid on my product Product link here- https://www.artstation.com/a/9086220

For this Product, I would like to share with you an insight on how I create all of my mechs Using Zbrush, with this 3+Hrs of Timelapse Vid (4x Speed).
This is a timelapse Vid with no commentary, THIS IS NOT FOR A BEGINNER ZBRUSH USER!. ADVANCED ZBRUSH USER ONLY!) using ZBRUSH 2021.7
This is a knowledge/technique/process I build-up for years.