1. chemical reaction: chemical residues may react with other detergents or ingredients in clothes. This may lead to adverse chemical reactions or produce toxic substances. Mixing with other clothes may lead to unexpected results, such as fading, discoloration or damage to clothes.
2. Safety and health risks: Chemical substances, bacteria or harmful substances that may be contaminated in the work clothes of chemical plants may cause safety and health risks to others. Mixing these work clothes together may spread these risks to other clothes and the environment.