02:22
The ingenious Gramby mining cart and its easy unloading mechanism.
05:13
Four impressive old machines and devices. Let's see how they worked and their parts.
01:01
Este hombre carga una moto solo
01:07
Celular expandible
01:34
Aplicaciones del laser
01:15
🔴🔴🔴Prótesis de manos increibles
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Videos de ingeniería, tecnología y ciencia
Joined 22 May 2021
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