I heat up the meal using a microwave.

I will work using this laptop.

I have three meals a day.

I have a meal three times a day.

On a cold day, warming up coffee is the best.

On a cold day, warming up coffee is the best.

The coffee is too hot, please cool it down a bit.

On cold days, I like to warm up my coffee.

The microchip is an important part of the computer.

There are big waves in the sea.