face shield
US /ˈfeɪs ˌʃiːld/
UK /ˈfeɪs ˌʃiːld/

1.
protetor facial, escudo facial
a piece of transparent material attached to a helmet or worn on a headband, used to protect the face from impact, splashes, or other hazards
:
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Healthcare workers wear a face shield to protect themselves from airborne particles.
Profissionais de saúde usam um protetor facial para se protegerem de partículas transportadas pelo ar.
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The welder put on his face shield before starting work.
O soldador colocou seu protetor facial antes de começar a trabalhar.