C+⚙️

#carbon #steel #metallurgy #alloy #machine part #industrial material

⚙️➿🔩

#mechanical spring #industrial spring #machine part #metal coil #torsion spring #hardware spring

⚙️🔗

#sprocket #gear #chain link #cog #machine part #mechanical connection #interlock

⚙️⭕️➡️➖

#nozzle #die #shaping hole #extrusion die #profile shaping #machine part #material output