What are the common signs of wear and tear on garage door springs, and how can I safely inspect and maintain them to ensure the longevity and functionality of my garage door springs?

Common signs of wear and tear on garage door springs include visible gaps or spaces in the coils, rust or corrosion, and squeaking or grinding noises when the door is opening or closing. To safely inspect and maintain them, you can visually inspect the springs for any signs of damage, listen for unusual noises, and test the balance of the door by manually opening and closing it. It is recommended to hire a professional technician to perform regular maintenance and adjustments to ensure the longevity and functionality of your garage door springs.