nuts, sows, female pigs
Estou farto de porcas com pano!
I'm fed up with pigs wearing cloth!
— Stalker (1979)
Não quebre as porcas.
Don't break the nuts.
— O Barco: Inferno no Mar (1981)
Tem que amarrar as porcas.
You have to tighten the nuts.
As porcas do parafuso estão presas por dentro.
The nuts on the bolt are secured from the inside.
— Salyut 7 (2017)