Do not use aggressive products (e.g. degreasers), alcohol, solvents or other detergents, nor abrasive sponges and similar supports, as they may permanently scratch the parts being treated.
No utilizar productos agresivos (ej. desengrasantes), alcohol, solventes o detergentes, ni esponjas abrasivas o soportes similares que podrían rayar de manera definitiva las partes sometidas a mantenimiento.