Aerospace Industry Air Vehicle airbus airplane Airplane Factory engine engineering factory hangar industry jet production line Quality Control repairing service turbine activity architect architecture beginning built busy color construction control denim dirty examining expertise foreman ground hardhat holding hood horizontal image Incomplete industrial inspector male men New occupation one only outdoors paper people person plan professional quality security site standing worker working yellow accuracy antigen check checking colloidal coronavirus covid-virus detection diagnosis diagnostic-aid dropper drops home-use immunochromatographic-technology kit limitations limited lysis-buffer measuring-instrument medical nasal-secretion negative-result plastic quality-control-C-line rapid rectangular result sample sampling-tube self-testing test test-cassette testing extraction-reagent-tube nasal sterile-swab swab
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