Wood straightening?
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Previously:
C-channel straightening machine - GIF
Chinese wire straightening machine - GIF
Homemade stainless steel straightening fixture - video
Hot wheels axle straightening tool - video
Post straightening machine - GIF
Rebar straightening machine - video
Rod straightening machine - GIF
Straightening a bent hydraulic piston rod - GIF
Wheel rim straightening machine - GIF
