approved materials
[/əˈpruːvd məˈtɪriəlz/]
noun phrase
materiais aprovados
1. Substances, components, or resources that have been officially authorized or sanctioned for use in a specific context, meeting established standards or requirements
The construction project must use only approved materials listed by the building code authority.
O projeto de construção deve usar apenas os materiais aprovados listados pela autoridade do código de construção.
2. In educational or professional contexts, documents or resources that have been vetted and permitted for use
Students are allowed to bring only approved materials to the examination room.
Os alunos podem trazer apenas materiais aprovados para a sala de exame.
3. In manufacturing or industry, raw materials or components that have passed quality control and inspection
The factory only processes approved materials from certified suppliers.
A fábrica processa apenas materiais aprovados de fornecedores certificados.
In Brazil, 'materiais aprovados' is commonly used in construction, education, and manufacturing industries. Compliance with approved material lists is essential for government contracts and public works projects. In the USA, this term is standard in regulatory and quality assurance contexts, particularly in construction, pharmaceuticals, and aerospace industries.
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