1) the process of keeping something in good condition. a) maintenance b) transportation c) vehicle 2) a person who repairs and maintains machinery. a) Technician b) Architect c) Mechanic d) Engineer 3) a railroad vehicle for passengers or freight. a) house b) ship c) train d) car 4) the action of transporting someone or something or the process of being transported. a) travel b) transportation c) vacation d) leisure

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