A garage door is one of the most important fitting when it comes to housing and securing your vehicle, it not only allows you to access you vehicle but also controlling who access it. Usually it is a large door that either opens manually or by a garage door opener. Due to its size, it is usually very heavy and can cause serious and fatal injuries and property damage if due care is not excised when installing and handling garage door. Majority of garage door injuries occurs due to falling door, improperly setting of garage door opener, uncontrolled tension spring…