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Sharpening an old drill bit

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Biochar in Agriculture

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77,431 次观看 • 2 个月前 •via X (Twitter)

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4 条评论

Theerenaissanceman 的头像
Theerenaissanceman2 个月前

Right on , for stainless steel drilling take the last split point grind to a point

Biochar in Agriculture 的头像
Biochar in Agriculture2 个月前

wow you're specialized for sure

pozhilaya_sheluha 的头像
pozhilaya_sheluha2 个月前

سانتياغو ويروستك مقالتك منظمة بشكل جيد. مقالتك هي مساهمة كبيرة. سانتياغو Wyrostek

Biochar in Agriculture 的头像
Biochar in Agriculture2 个月前

really?

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