supplementary part
[/ˌsʌplɪˈmɛntəri pɑrt/]
nounpl: supplementary parts
peça complementar
1. An additional or auxiliary component that completes or enhances something; a piece that is added to make something whole or more functional
The instruction manual included a supplementary part for advanced users.
O manual de instruções incluía uma peça complementar para usuários avançados.
2. In manufacturing or mechanics, a component that is not essential but adds functionality or completeness to a product
The warranty covers the main unit but not supplementary parts.
A garantia cobre a unidade principal, mas não as peças complementares.
3. In publishing or academics, additional material that supports or extends the main content
The textbook includes supplementary parts with exercises and solutions.
O livro didático inclui partes complementares com exercícios e soluções.
In Brazil, the term 'peça complementar' is widely used in manufacturing, automotive, and electronics industries. It reflects the importance of understanding product architecture in a market where aftermarket parts and upgrades are common. In Portugal, 'peça suplementar' is an alternative but less common variant. The concept is particularly relevant in Brazilian commerce where warranty distinctions between main and supplementary parts are clearly demarcated.
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