Commercial airliners do not fly in the vicinity of volcanic eruptions because even a small amount of volcanic ash can damage its engines.

All the candidates for the scholarship will be equally treated regarding of their sex, age, or nationality.

Drying food by means of solar energy is an ancient process applying wherever climatic conditions make it possible.

After analyzing the steep rise in profits according to your report, it was convinced that your analyses were correct.

It is such difficult a lesson that we can’t understand it.

I am not fond of reading fiction books as they are imaginable ones which are not real.

We will have a fund-raising dinner at Rex Hotel tonight.

It is believed that in the near future robots will be used to doing things such as cooking.

Weather and geographical conditions may determine the type of transportation using in a region.

He was so careless that he left the work half doing and went to the cinema.

In summer, warm southern air carries moist north to the eastern and central United States.

Japanese initially used jeweled objects to decorate swords and ceremonial items.

The Oxford Dictionary is well known for including many different meanings of words and to give real examples.

Fruit and vegetables should be carefully washed whether eaten fresh or cook.

It was on 12 April, 1961 when the first human, a Soviet cosmonaut, flew into space.

Works are written by Vladimir Nabokov often contain heroes and heroines who have lived in many places.