1. A solid, firm surface that is resistant to damage or wear, typically made of materials like concrete, asphalt, tile, or stone
The playground was built on a hard surface to prevent injuries.
O parque infantil foi construído sobre uma superfície dura para prevenir ferimentos.
2. In cleaning or maintenance, a non-porous surface that can be easily cleaned and disinfected
Hard surfaces like kitchen counters need regular sanitization.
Superfícies duras como balcões de cozinha precisam de sanitização regular.
3. In construction or infrastructure, a paved or sealed surface as opposed to natural ground
The parking lot is a hard surface made of asphalt.
O estacionamento é uma superfície dura feita de asfalto.