1 сент 1978 г. - Skateboards — a triumph of materials technology
Описание:
N.A. Waterman, A. Crease Skateboards are an illustration of how engineering advance is often delayed awaiting suitable materials. The use of modern materials for the wheels, trucks and decks of skateboards and the design features affecting the choice of materials is explained.Добавлено на ленту времени:
Дата:
1 сент 1978 г.
Сейчас
~ 46 г назад