Massimo(@Rainmaker1973) 's Twitter Profile Photo

Electric welding machines use an electrical current to produce high amounts of heat to melt and fuse metal components.

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James Melville 🚜(@JamesMelville) 's Twitter Profile Photo

Cobalt mining in Congo:
More than 40,000 child slaves in Congo are forced to mine cobalt in horrendous conditions. Up to 2,000 people die every year. The cobalt is used in a number of electrical products - including the lithium-ion battery used in many electric vehicles.

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