Watch Machinists Stitch a Cracked Engine Block Together Without a Single Weld
So when Caleb sent me this reel of Syracuse Crank & Machine stitching (yes, stitching) an old cracked industrial engine block ...
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Spray-on concrete innovation could transform bridge repairs
More than 40,000 bridges in the United States are deemed structurally deficient, and as many as 221,000 are deemed in need of ...