1.  Dutch scientists have developed catalytic converters which they claim are both cheaper and more environment-friendly than conventional ones.

2.  The criteria used will be the conventional ones -- cost, technical and material constraints, together with safety considerations and planning constraints.

3.  Because gadolinium and the magnet are not cheap, a magnetic refrigerator would cost more than a conventional one.

4.  Because the hot dogs are lower in fat than conventional ones, they are definitely out of the running if you like the juicy garlicky kind.

5.  Boeing has already been forced to drastically redesign its plane to provide better control on carrier landings, trading a swept-wing design for a more conventional one.

6.  But it has a hopeful ending rather than a merely conventional one.

7.  But the Cabinet he chose is a fairly conventional one.

8.  Distinguishing modified crops from conventional ones looms as a growing challenge for the industry.

9.  Gravity-flush models are similar to conventional ones, but with design changes.

10.  He also conveys an image of the author that is different from the conventional one.