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
Alfa Romeo 105/115 Series Coupés the longer tail, a number of exterior details distinguished the 1600 Junior Z from the previous model: the arched front bumper was bulkier, the fuel filler was moved to the left hand side, the tail lights were larger items sourced from the 2000 Berlina, the door handles had black plastic housings, and the exhaust pipe was down turned. Badging on the tail now read "1600 Z" instead of "Junior Z". Inside the steering wheel was now a wood rimmed one, with horn buttons through the three metal spokes. In total 402 examples of the 1600 were made, the last one