Long-term contact with oil bedrock chips is harmful to people, and the harm is as follows.

1, respiratory diseases: harmful substances in the oily matrix chip may enter the human body through the respiratory tract, causing respiratory diseases, such as asthma and lung cancer.

2. Dermatosis: Long-term contact with oily matrix chips may cause dermatosis, such as eczema and dermatitis.

3. Nervous system damage: The harmful substances in the oil matrix chip may cause damage to the human nervous system, leading to symptoms such as headache, dizziness and insomnia.