This hot coiling of a large-diameter rod after electro-galvanization shows how a big spring is made https://t.co/N1UNVoDamV pic.twitter.com/CIMpTBjXNq
— Massimo (@Rainmaker1973) December 1, 2019
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This hot coiling of a large-diameter rod after electro-galvanization shows how a big spring is made https://t.co/N1UNVoDamV pic.twitter.com/CIMpTBjXNq
— Massimo (@Rainmaker1973) December 1, 2019
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