Translation examples
Contaminante: Solución de resina, sulfuro de sodio, ácido clorhídrico (70% pureza), dimetil formamida, cromo.
Pollutants: Resin solution, sodium sulphide, chlorhydric acid (purity 70 per cent), dimethyl formamide, chromium.
Las dos tienen formamida en la tinta eso evita que las puntas de los bolígrafos se sequen.
Both have traces of formamide in the ink, which pen manufacturers use to keep ballpoints from drying up.