When I got my J&J shot in early May I inquired about a booster. The guy giving the vaccination said he believed the annual flu shot will incorporate C-19 boosters. Don't know if he was a doctor or just a pharmacist. Knows more than I do regardless.
Hydro may not expel pollutants however it's far from free. They disturb the natural flow of a river and kill untold numbers of fauna. There is no free lunch.
Nah. They're cassette transmissions but far from quick change. Just the way they were designed in the early '50s. They are typical Harley transmissions in that the power enters and exits on the same shaft.