These machines only need to be fixed very 'rarely'. = These machines 'rarely' need to be fixed.
Such radical opinions have 'rarely', 'if ever', been heard here before.
The temperature 'rarely' [='seldom'] drops below freezing here.
(..) Dialogue: Marked=..,Default,NTP,!Effect,He, of course, never trusted me again. Dialogue: Marked=..,Default,NTP,!Effect,He rarely left me alone.\NBut he doesn't understand. Dialogue: Marked=..,Default,NTP,!Effect,l'm never alone. Never. Dialogue: Marked=..,Default,NTP,!Effect,l see what l desire. (..)2001 Harry Potter and the Sorcerer's Stone