Final answer:
Power cords can be damaged by door or window edges and paint exposure.
Step-by-step explanation:
Power cords can be damaged by several factors, but among the options provided, the most likely ones are option 1: door or window edges and option 4: paint exposure. Door or window edges can cause physical damage to the cords if they are repeatedly bent or crushed. Paint exposure can cause chemical damage to the cords, especially if the paint contains harsh solvents that can degrade the outer insulation.