Conducting a fair test is one of the most important ingredients of doing good, scientifically valuable experiments. To insure that your experiment is a fair test, you must change only one factor at a time while keeping all other conditions the same. Scientists call the changing factors in an experiment variables.
Eligibility Requirements for VFW Auxiliary Membership: Members must be citizens of the United States or a United States National, and at least 16 years old.
If any of their assigned duties on ship. will include security of the vessel, they must also hold the VPDSD endorsement. The STCW. regulation VI/6 covers both capacities. Depending on what you qualify for, you will have. VPDSD and/or SA listed under the capacity section of your credential.