A hazardous waste is a special type of waste because it cannot be disposed of by common means like other by-products of our everyday lives. Depending on the physical state of the waste, treatment and solidification processes might be required.
How to Change Spark Plugs in a Car. Two Parts: Removing Old Spark Plugs Installing New Plugs. Petrol and LPG Gas powered cars run on what are essentially controlled explosions of energy, controlled in part by the spark plugs. The spark plugs channel the electrical current from the ignition, igniting the fuel.
Spark plug and vehicle technologies have come a long way. Some cars in the 1950s had a recommended interval of 5,000 miles for changing the plugs. Today, through advancements in design and materials, some cars can meet or exceed 100,000 miles without a change.