71.   The most popular models of this type maintain that inventions are intentional and generate technological spillovers that lower the cost of future innovations.

72.   The helicopter competes with popular models like the U.S. Apache.

73.   The move was one of several safety improvements Ford announced Tuesday for its popular SUV models that deliver much of its profit.

74.   The success of the three companies last month is attributed to the recent introduction in Japan of right-hand drive versions of their popular models.

75.   These vehicles tend to be smaller, like the Ford Contour, Chevrolet Cavalier and many popular Japanese models.

76.   While knockoffs are sometimes efforts to provide cheaper versions of popular models, sometimes they are just counterfeits.

77.   Volkswagen may start manufacturing its popular new Beetle models in Germany, Der Spiegel magazine said Sunday.

78.   While some SUVs qualify for the highest rate discounts, other popular models do not, including the Ford Explorer, Nissan Pathfinder, Jeep Cherokee and Chevy Blazer.

79.   Plants are currently having trouble meeting demand, particularly for the most popular models.

80.   She has posed in the nude and is a popular photographic model.