Method: GET_FROM_FL
Method: FIND
Method: DESTROY
Method: CHECK_EXISTENCE
Method: NEW
Method: SET_NUMBER
Method: NEW_SZV
Method: GET
Method: NEW_ADV
Method: GET_STATUS
Method: GENERATE
Method: GET_MESSAGES
Method: SET_STATUS
Method: DISPLAY_INFO
Method: CREATE_MANUALY
Method: GET_FL_MESSAGES
Method: CONSTRUCTOR