1. Substances or goods that are inferior, substandard, or defective in workmanship, durability, or performance
The contractor used poor-quality material for the renovation, which caused the walls to crack within months.
O contratante usou material de má qualidade na renovação, o que causou rachaduras nas paredes em poucos meses.
2. Raw materials or components that do not meet acceptable standards for manufacturing or construction
The factory rejected the shipment due to poor-quality material that failed safety tests.
A fábrica rejeitou o carregamento devido ao material de má qualidade que falhou nos testes de segurança.