duty calls duty can duty comes duty could duty counsel duty cycle duty cycles duty doctor duty does not duty drawback duty exemption duty first duty free duty free shop duty free shopping duty free shops duty has duty here duty hours duty imposed duty in afghanistan duty in iraq duty in vietnam duty industrial duty is levied duty is only duty is payable duty just duty league duty lies duty liquid duty manager duty means duty modern duty motor duty must duty not duty now duty nurse duty of care duty of confidentiality duty of every citizen duty of information duty of loyalty duty of man duty of the state duty of vigilance duty officer duty officers duty on beer duty on imports duty on tobacco duty only duty paid duty payable duty period duty personnel duty rate duty rates duty ratio duty requires duty right now duty room duty roster duty sergeant duty series duty shall duty shifts duty should duty so duty solicitor duty station duty stations duty steel duty that day duty the night duty then duty this morning duty time duty to accommodate duty to act duty to assist duty to bring duty to care duty to consider duty to consult duty to cooperate duty to defend duty to disclose duty to do duty to do so duty to enforce duty to ensure duty to exercise duty to fight duty to follow duty to fulfill duty to get duty to give