Thousands of children working in Indonesia’s tobacco industry, one of the world’s largest, are being subjected to nicotine poisoning and exposed to pesticides, according to a report…that called for establishing traceable supply chains to discourage the use of child labor.

The report, published by Human Rights Watch, based in New York, said that many Indonesian children working on tobacco farms, mostly on the country’s main island of Java, suffer from nausea, vomiting, headaches or dizziness, all of which can be signs that nicotine has seeped into the skin.

The children, who usually work without protective clothing, are also exposed to pesticides, and they face the additional hazards of doing heavy labor in extreme heat using sharp tools, the report from the rights group said…