Wood the growth of the young timber in open stands after the old trees have been removed is more rapid than in trees in a closed forest, and in the manufacture of articles where strength is an important consideration such "second-growth" hardwood material is preferred. This is particularly the case in the choice of hickory for handles and spokes. Here not only strength, but toughness and resilience are important. The results of a series of tests on hickory by the U.S. Forest Service show that: The effect of rate of growth on the qualities of chestnut wood is summarized by the
7th Transportation Brigade (United States) by Army and Navy lighters. The Distinctive Unit Insignia was approved on 21 September 1971, consisting of a gold demi-sun with eleven gold bevelled rays, surmounted in base by a gold ship's steering wheel of eight spokes with brick red rim, bearing at the hub a Korean Taeguk (scarlet at the top and blue at base), the areas in the lower half of the wheel between the spokes pierced, all above a semicircular blue enamel scroll with ends folded over the horizontal handles of the steering wheel and inscribed, "RESOLUTE" in gold letters. The eleven sun rays refer to the