I thank you, Stan Hrynko of Rittenhouse Mill and Lumber for your patience with an all thumbs guy like me in figuring out how to build a portable wooden ramp up the three steps to our house's front door so a wheelchair might be wheeled in. (not the 12 foot length to 1 foot rise that the Americans with Disabilities Act requires of public establishments I believe if there's no elevator) but it's a start...