The vacuum valves need to be replaced.

The sudden resignation of the president created power vacuums in the government.

Central vacuums are more efficient than traditional vacuum cleaners.

Scientists use high vacuums to conduct experiments.

The political vacuums created by the sudden resignation of several key government officials have left the country in a state of uncertainty.

Vacuum distillations are commonly used in the petroleum industry.

The vacuum energies in the universe play a crucial role in determining its overall structure and evolution.

I used a bee vacuum to safely remove the bees from the hive.

Bee vacuums are used to safely remove bees from unwanted areas.

The vacuum brakes on the train were not working properly.