My father works at that factory.

He is in charge of the overall management of the company.

He has the responsibility to control the project.

He is an expert in law.

The pollution in this area has become a serious problem.

We heat our house with natural gas.

He is dedicated to the study of the atmosphere.

You can solve the problem by using this method.

This company strictly adheres to the principle of fair trade.

He saved money using the 'hou' (alternative spelling of 'fran') to go to France.