We are working on the construction of a new system.

We are working hard to build a new system.

My savings are gradually increasing.

I save a part of my salary every month.

They competed for the position of team captain.

They fiercely contended for the championship.

This old house needs repairs.

We decided to make repairs to the old house.

He works at an abattoir.

He was reading a book about medieval beheadings.