1. A process or technique applied to the surface of a material to improve its properties, appearance, or functionality
The metal underwent surface treatment to increase its corrosion resistance.
O metal passou por tratamento de superfície para aumentar sua resistência à corrosão.
2. Industrial or chemical processing applied to the outer layer of an object to enhance durability, aesthetic appeal, or other characteristics
Surface treatment of the wood included staining and varnishing.
O tratamento de superfície da madeira incluiu tingimento e envernizamento.
3. Any method used to modify or prepare a surface before further processing or use
Proper surface treatment is essential before painting the automotive parts.
O tratamento adequado da superfície é essencial antes de pintar as peças automotivas.