People can travel at a cheap cost by boats and various types of engine boats.

They started presses, which were a set-up that made available books in cheaper cost, and thus people began to read and acquire knowledge.

In 2000, generic anti-retroviral treatments started being produced and sold at a much cheaper cost.

The aim was to reduce costs by buying vehicles and supplies in bulk at cheaper costs while retaining local control.

This procedure demonstrates the ability to develop photocatalysts that would be performed at ambient pressure, ambient temperature, and at a cheaper cost.