Translation of "washboard" into Portuguese

I mean, this can't be like when you said you were gonna have washboard abs by Christmas.

Pode não ser tão bom quando você disse que teria washboard para o Natal.

So by the end of the 19th century, the corrugated washboard, tub, and hand-driven wringer were the equipment of choice for many housewives.

Assim, já no fim do século 19, a tábua de bater roupa, a tina e o espremedor manual eram o equipamento preferido de muitas donas-de-casa.