Substitution can be the best way to avoid or reduce a hazard.
Often though, it is not easy or even possible to find a non-corrosive or less corrosive substitute to do the job effectively and safely. Start by obtaining the MSDSs for all possible substitute materials. Choose the least hazardous materials that can do the job effectively and safely. Learn how to work safely with them, too. The amount and type of ventilation needed to minimize the hazards of airborne corrosives depends on such things as the kind of job, the kind and amount of materials used, and the size and layout of the work area.