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barrinha de segurança
snd.rec.	Ausbrechzunge f
barra de segurança
earth.sc., el.	Notbatterie-Sammelschiene f
nat.sc., agric.	Sicherheitsbügel m; Überroll-Schutzbügel
nucl.phys., nucl.pow.	Abschaltstab m; Sicherheitsstab m

barrinha de segurança: 3 phrases in 1 subject

Nuclear physics

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