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English to Spanish translations [PRO] Tech/Engineering - Mining & Minerals / Gems / Mining work
English term or phrase:held captive
aluminium and aluminium alloys or any other suitably rigid material, in which they are held captive in series and in abutment, the casing being tubular and open-ended at at least one end thereof, the pyrotechnic charge being exposed to the end of the shock tube via a said open end of the casing.