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- Copper industry and trade 1
- Electric machines 1
- Electric potential 1
- Electricidad estt̀ica 1
- Electrostatic ignition hazards 1
- Electrostatic voltages 1
- Electrostatics 1
- Electrostt̀ica 1
- Flammable gases 1
- Gases inflamables 1
- Industria del cobre 1
- Mq̀uinas elčtricas 1
- Potencial elčtrico 1
- Riesgos de ignicin̤ electrostt̀ica 1
- Static electricity
- Voltajes electrostt̀icos 1
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