It is extremely important for an engineer to know to use a computer

To assure the safety of those workers who must handle radioactive material, the employer should not leave them enter contaminated areas without protective clothing.

The teacher told the students to don't discuss the take-home exam with each other. 

After to have won the light-heavyweight title at the 1960 Olympic Games, Muhammad Ali began to box professionally.

Th master of ceremonies announced in a loud and clear voice and told that the dinner would be late due to unforeseen circumstances.

Latex rubber is made from a milky substantial in plants and trees of the sapodilla family.

In 1975, according to the National Center for Health Statistics, the average life expectancy for people born during that year is 72.4 years.

The basic law of addition, subtraction, multiplication and division are taught to all elementary school students

Aluminium has a hard imperious coasting which protects the metal from corrode. 

When caterpillars are fully-grown, they attach themselves to a leave or twig and form a shell around itself called a cocoon.

Narcissis, a character in mythology gazed at his own image in a pool so ardently that he fell into itself and downed.

In experiments with large numbers of animals crowded in small cages, some have not been affected, but the rest of have shown all of the symptoms associated with stress and mental illness.

The native people in the Americas were referred to as Indians because, according to the believe at the time, Christopher Columbus had reached the East Indies.

Rocks can be broken apart by water that seeps into the cracks and freeze in low temperatures. 

Studies of job satisfaction are unreliable because there is so many variables and because the admission of dissatisfaction may be viewed as a personal failure.

The professor had already given the homework assignment when he had remembered that Monday was a holiday.

Because she didn't like shop very much, she did most of it with her personal computer.

Before television became so popular, Americans used to entertain each other in the evening by playing games, saying stories, and singing songs.

Although maple trees are among the most colorful varieties in the fall, they lose its leaves sooner than oak trees.

Grace Peter, she spent her life working with the health and welfare of the families of workers.

Excavations in several mounds and villages on the east bank of the Euphrates River have revealed the city of Nebuchadnezzar, an ancient community that had been laying under later reconstructions of the city of Babylon.

There are many different ways of comparing the economy of one nation with those of another.

He said he must come to the party if he finishes his assignment for next week's seminar.

After learned to print, elementary school children learn cursive writing.

The need for a well-rounded education was an idea espoused by the Greeks in time of Socrates

Knowledges about cultures provides insights into the learned behaviours of groups.

After learned to print, elementary school children learn cursive writing.

Sinaitic is the name of an alphabet which developed their symbols from Egyptian hieroglyphics.

Joyce has not rarely missed a play or convert since she was seventeen years old.

Fishing have been found to contain a particular type of fat that may help lower blood cholesterol levels