10 ideias geniais que você nunca viu antes
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19:23
Astuces et idées géniales au travail
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36:35
Manufacturing of Truck CrankShafts // The Most Amazing Production & Machining Complete Process
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24:10
Máquina muy grande
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18:20
Peu de gens connaissent ces idées ingénieuses en action
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22:26
From Nail Clippers to a Sharp Blade: Unbelievable Knife Forging!
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22:01
CONSEILS ET ASTUCES DE BRICOLAGE QUI FONCTIONNENT VRAIMENT
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15:02
19 Incroyables processus de travail du métal que vous devez voir ▶7
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23:13