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.
1 Installing incorrect plugs can corrupt the engine. 2  Ask your auto supply store for the correct application or check your car owner manual. 3  Disconnect the spark plug wire from the plug. 4  Do not yank by the wire like you're extracting carrots from a garden, but by tugging on the boot.