sem chumbo
1. Not containing lead or lead compounds; manufactured or processed without lead
Lead-free gasoline is now standard in most countries.
A gasolina sem chumbo é agora padrão na maioria dos países.
2. Referring to products, especially paint, toys, or ammunition, that do not contain toxic lead
Parents should choose lead-free toys for their children's safety.
Os pais devem escolher brinquedos sem chumbo para a segurança de seus filhos.
3. Referring to solder or other materials used in electronics manufacturing without lead content
The new circuit boards use lead-free solder components.
As novas placas de circuito usam componentes de solda sem chumbo.
Lead-free products became legally mandated in many countries starting in the 1970s-1980s due to health concerns. In Brazil, unleaded gasoline (gasolina sem chumbo) became the standard in the 1990s. This term is commonly seen on fuel pumps, paint cans, and children's products across both American and Brazilian markets, reflecting environmental and health regulations.
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