Gravity. Momentum. Inertia. Resistance. Energy.
These terms hold much clout in the world of physics. They are the unseen but easily understood forces that, quite literally, make the world go round. The world of doors and hardware is no different; gravity, momentum, inertia, resistance and energy are always at play. Unfortunately, when it comes time to hang a door the rules of physics are not always followed, leading to doorways that are warped, malfunctioning, and in the worst case scenario, in need of replacement.
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