change parts or components

changing parts to alter performance

performance, efficiency

(engineering) an engine, a mechanical device

improve, rise

improvement, progress

clothes; wrap; put on

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend