The crane operator signaled to the ground crew before lifting the steel beam.

Hamiltonian operators determine the energy spectrum of a quantum system and govern its time evolution.

In turbulence modeling, Reynolds operators are often used to separate the mean flow from the fluctuations.

By averaging flow fields over the symmetry group, the Reynolds operator produces invariant quantities that satisfy the Reynolds rules and are widely used in fluid dynamics and invariant theory.

Reducing the operating cost of the factory was essential to improve profit margins.

I often use walrus operators when parsing input to assign and check values within the same expression.

Excavator operators must complete safety training before they can work on the construction site.

The excavator operator skillfully removed the old foundation while the crew worked around him.

The company's operating income increased by 15% compared to last year, signaling improved efficiency.

The new self-operating coffee machine brews a perfect cup every morning.