with a seal affixed(Have the Oath of Admission notarized with a seal affixed. You are required to submit the original document, written in English, with a seal affixed. This letter should be on letterhead with a seal affixed (if applicable) and can be one letter containing all the names of the individuals who may come to speak. Alexander Demidov)
certify by seal and signature(The engineer shall certify by seal and signature that he has measured or has supervised the measurement of all dimensions shown on the ... Alexander Demidov)
