Sentence examples for must be replace from inspiring English sources

To top it off, reagents are only good for a limited time increasing costs as materials degrade and must be replace.

When a laser is the schlieren light source, the usual razor-blade knife-edge cutoff cannot be used, and must be replace by a graded filter (Ref. [16] Ch. 5).

Seed that is not saved must be replaced, so that the rate of seed replacement is equal to 1−p.

They also must be replaced after use.

"But the roof must be replaced.

President Bush says Arafat must be replaced.

The transfer case must be replaced.

Each pine log must be replaced every three days.

Moreover, prostheses need regular maintenance and eventually must be replaced.

Cone was supposed to pitch Tuesday, and must be replaced.

Still, he said the building must be replaced.