He cut the fuse to prevent the explosion.

This bridge is reinforced with steel wire.

He crossed the finish line with the last of his strength.

In geography, a tropic indicates a specific latitude on the earth.

In meteorology, an isotherm refers to a line on a map that indicates the same temperature.

Please turn on the power after checking the ground wire.

In this map, the longitude lines are clearly displayed.

I commute to work every day on the circle route.

These two lines are on the same extension.

A good antenna is needed to improve the reception quality of this TV.