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Start Over You searched for: Category Science and Technology Remove constraint Category: Science and Technology Category Science and Technology Remove constraint Category: Science and Technology Category Socioeconomic conditions and development Remove constraint Category: Socioeconomic conditions and development Category Socioeconomic conditions and development Remove constraint Category: Socioeconomic conditions and development Subject Power resources Remove constraint Subject: Power resources Subject Technical assistance Remove constraint Subject: Technical assistance

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1. Electricidad básica.

2. Riesgo química en la minería.