Dukas muaj cov neeg ua haujlwm tsim kho tshiab engineering, ib pab neeg ua haujlwm tshaj lij thiab pab neeg kev tswj hwm kev tshaj lij. Cov kev xav ntau lawm tsom rau lub zog-txuag thiab tau cog lus rau kev ua kom zoo nkauj, ua tiav cov yam ntxwv ntawm lub ntsej muag ruam, ruaj khov, txuag hluav taws xob thiab kev nyab xeeb.