Then we find the special debris, which are hazardous wastes. Not harmful to the physical health of the worker. But they do harm the health of the environment. Such as fluorescent bulbs or neon lights. Paint or solvent containers, asbestos, among others. Finally, we have non-hazardous debris. Which are materials that, as long as they do not undergo any change in their original composition. Are not toxic or hazardous to the environment. Here we can find wood, cardboard, paper, textile material and metals.