1. Fundamental rules or truths that have been demonstrated, tested, or verified through evidence, experience, or scientific method
The company built its success on proven principles of customer service and quality.
A empresa construiu seu sucesso em princípios comprovados de atendimento ao cliente e qualidade.
2. Established guidelines or standards that have shown consistent results and reliability over time
We follow proven principles in our manufacturing process to ensure consistency.
Seguimos princípios comprovados em nosso processo de fabricação para garantir consistência.