(1) The model rocket engine shall be affixed to a testing device or to an immovable structure in such manner that such engine may not become free during the conduct of such test or experiment.

(2) The model rocket engine shall be ignited only by remotely operated electrical means fully under the control of the person conducting the test or experiment.

(3) When tests or experiments are conducted indoors, the exhaust from each model rocket engine so tested shall be directed into a nonflammable hood or vent which shall lead directly to the outside of the building.

(4) Before a model rocket engine may be tested or used experimentally on the ground, its exhaust path shall be cleared of all inflammable objects prior to the igniting of such engine.

(5) Persons who conduct, participate in or observe static or ground testing of a model rocket engine shall stand a safe distance away from such engine, and particularly its exhaust path, at all times during the conduct of the test.

(6) At least one adult person shall inspect each model rocket engine to be tested and the testing device to be used before such test may be conducted.

(7) No model rocket engine shall be tested on the ground or shall be used as the motive power of an experiment conducted on the ground unless the conduct of such test or experiment is supervised by at least one adult person.