Workers in many industries may be exposed to chemicals used in the manufacture of illegal drugs. Here are some of the main industries: 1. **Chemical Manufacturing**: People engaged in the production, research and development, and sales of chemicals, especially those companies that focus on basic chemicals and intermediates. 2. **Pharmaceutical Industry**: Pharmaceutical company employees may be exposed to some chemicals used in the synthesis of legal drugs, which may be diverted to the manufacture of illegal drugs if used improperly. 3. **Agricultural Chemical Industry**: The manufacture and distribution of agricultural chemicals (such as pesticides and herbicides) may involve some chemicals that can be abused. 4. **Laboratories and Scientific Research**: Scientists, researchers, and technicians who work in academic or industrial laboratories are often exposed to a variety of chemicals, including compounds that may be used in the manufacture of illegal drugs. 5. **Industrial Cleaning and Maintenance**: Some high-strength industrial cleaners and solvents may contain chemical ingredients that can be used in the synthesis of drugs. 6. **Beauty and Personal Care**: Ingredients in some beauty and personal care products may also be extracted or converted for illegal uses. 7. **Environmental Monitoring and Waste Treatment**: Professionals in these fields need to handle and analyze a variety of chemicals, sometimes involving substances related to illegal manufacturing. Practitioners in the above industries should be vigilant and abide by laws and regulations to prevent intentional or unintentional involvement in the manufacture and distribution of illegal drugs.