1. The practice of regularly inspecting, servicing, and repairing something with great attention and diligence to keep it in good working condition
Careful maintenance of your car will extend its lifespan significantly.
A manutenção cuidadosa do seu carro prolongará significativamente sua vida útil.
2. The act of preserving something in proper condition through thoughtful and thorough upkeep
The antique furniture requires careful maintenance to preserve its value.
O móvel antigo requer manutenção cuidadosa para preservar seu valor.