71.   There are many different classes of boats.

72.   There is some variation in the yield of different classes of tomatoes.

73.   They concede that the Internet brings a different class of gambler to the table, one that is wealthier and much younger.

74.   U S West Inc. this week will launch a roadshow to sell investors on its plan to divide its businesses into two different classes of stock.

75.   Under the proposed rule, five different classes of drivers would be created, with work limits for each classification.

76.   When they decided to get into trading, that was a whole different class of culture there.

77.   When placed in different classes after first grade, they confounded teachers at recess by gravitating to the same friends.

78.   A selection of different hotels is being offered for different classes and fare types.

79.   Accordingly, Web design and development firms flourished in Jordan, offering varied services to different classes of customers.

80.   Acut myelogenous leukemia is similar, although a different class of white blood cells are affected.