Self-tutoring about yard work: the tutor looks into lawn mower maintenance, specifically regarding spark plug replacement. Apparently (perhaps surprisingly), lawn mower spark plugs might be expected to last as little as a couple of years. It’s even recommended to replace …

Yard work: how often should you change the spark plug on your lawn mower? Read more »

Self-tutoring about US Law: the tutor mentions Castle Doctrine. Castle Doctrine is the philosophy, written in law, that an individual has the right to use necessary force, including deadly force, to protect themselves inside their home. ncsl.org