Hellow guys, Welcome to my website, and you are watching Witness Skills of a 21-Year-Old Machinist in Crafting Double Helical Gear with 100yrs Old Technology. and this vIdeo is uploaded by Hydraulic Hands at 2024-03-01T04:58:54-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.