She economises on groceries by buying in bulk and planning meals.

She economised on heating during the harsh winter to keep the bills manageable.

The ship's engineers fitted an economiser to recover waste heat from the boiler.

To save money this year, we plan to economise on nonessential purchases and cut down on dining out.

The factory replaced several old economisers to improve boiler efficiency.

Economising on groceries, Maria prepared nutritious meals from simple ingredients.

The board approved several economisations to reduce overhead without affecting product quality.

The company's economisation efforts helped it survive the downturn.