The atomic mass units of the elements in the periodic table vary widely.

The power plant produced thousands of British thermal units every hour.

The hospital has multiple intensive-care units to provide specialized care for critically ill patients.

The hospital has multiple intensive care units to provide specialized care for critically ill patients.

The Scoville heat units of these peppers are off the charts.

I need to buy new garbage disposal units for my kitchen.

The waste disposal units in the building are not functioning properly.

The electric multiple units are the main form of commuter rail transportation in this city.

The hospital has multiple high dependency units to provide specialized care.

Scientists have discovered several new hypothetical taxonomic units in the deep sea.