8. PRECAUTIONS FOR OPERATION WARNING: For reasons of safety, always follow these safety precautions. WASTE MATERIALS Never dump waste oil in a sewer system, rivers, etc. Always put oil drained from your machine in containers. Never drain oil directly on the ground. Obey appropriate laws and regulations when disposing of harmful objects such as oil, fuel, coolant, solvent, filters, batteries, and others. INCORRECT PC450-ENG 1-27