Write the next sentence in the following story.

How to practice fire safety
Check your electrical appliances, cords and outlets.
Ensure the electrical appliances in good condition, without loose or frayed cords or plugs. Avoid overloading plugs and check light fixtures in your home and use bulbs that are the correct wattage.
Check that your home contains gfcis (ground fault circuit interrupters) or afci's (arc fault circuit interrupters), which prevent electrical shock and fire by shutting off faulty circuits. Be careful about do-it-yourself electrical projects.