| http://www.w3.org/ns/prov#value | - But commonsense tells you that anything hitting a plane is not good.Model rockets are equipped with parachutes and other devices to bring them safely to the ground for reuse.They can be made of anything from cardboard to aluminum.Jenni Etgen, treasurer of the Houston Chapter of Tripoli RocketryAssociation, said some models that soar the highest can weigh 150pounds, stand 11 feet tall and be 6 inc
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