The oil and water tanks were pressurized so that both would flow normally even on uphill grades.

This section runs toward the source of the flow so it has a slight uphill grade.

The campus is relatively flat, with a 4% uphill grade from southwest to northeast.

The campus is relatively flat, with a slight uphill grade from south to north, because of this.

Only on uphill grades of 4 percent or more did the truck begin to exert.

The roller coaster died on the second from last uphill grade and began to roll backward at a fast, but not excessive speed.

On long uphill grades or highway cruising above 70 miles an hour, it seemed to run out of steam.

The moment was tempered only by a quarter-mile uphill grade, which left him breathing hard.

But their speed had been slowed by a slight uphill grade.

There are two significant uphill grades in each direction which slows down truck traffic.