Complex sentence: Galvanized steel can last for many years if other means are maintained, such as paint coatings and additional sacrificial anodes the rate of corrosion in non-salty environments is mainly due to levels of sulfur dioxide in the air.
Split into simpler sentences: Galvanized steel can last for many years if other means are maintained, such as paint coatings and additional sacrificial anodes. The rate of corrosion in non-salty environments is mainly due to levels of sulfur dioxide in the air.