At the time, she was searching for a way to make a material strong enough to use on automobile tires.

VOA: special.2010.02.09

And now, finally,the British, American, Canadian and other Allied forces felt strong enough to attack across the English Channel.

VOA: special.2011.06.16

Northern forces were strong enough. There were about one hundred fifty thousand Union soldiers in and around Washington.

VOA: special.2009.09.17

Rickey thought Jackie Robinson was good enough as a player and strong enough as a person to succeed.

VOA: special.2009.04.05

The lens in my expensive microscope was still not strong enough to answer my questions about life.

VOA: special.2009.07.18

Liberals say the fuel-efficiency requirements for the replacement vehicles are not strong enough for the environment.

VOA: special.2009.08.07

Doctors can only hope that a person's defense system is strong enough to fight the disease.

VOA: special.2009.05.26

No cure is known. Doctors can only hope that victims are strong enough to survive.

VOA: special.2009.01.27

But the body's natural defenses are usually strong enough to prevent an active case.

VOA: special.2009.03.25

The next day,it grew strong enough for scientists to call it a tropical storm.

VOA: special.2010.08.24

So they have to be strong enough to carry their own weight.

VOA: special.2009.12.09

He tried to fight them. But he was not strong enough.

VOA: special.2010.08.05

The sad thing is that the majority of people that are killed by malaria are children because there immune system is not strong enough to ward off this infection."

VOA: special.2009.12.22

Neither side was left with a force strong enough to fight.

VOA: special.2010.07.08

They said his army was not strong enough to attack.

VOA: special.2009.09.03

It is now strong enough to be touched.

VOA: special.2009.07.06

The state forces were not strong enough,however.

VOA: special.2010.03.11

A few weeks before Daniel was strong enough for chemotherapy, he had a spiritual experience that he says saved his life.

VOA: standard.2010.01.12

Batstone-Carr says he thinks BP is strong enough to sustain this double-blow to its bank balance and its reputation.

VOA: standard.2010.06.18

The Japanese economy,he says, is not strong enough for the government to discuss ending stimulus programs yet.

VOA: standard.2009.10.27

Defense Secretary Robert Gates, saying that it will be at least will be able to pay for a security force strong enough to protect the country from insurgents.

VOA: standard.2009.12.09

NATO Secretary General Anders Fogh Rasmussen says the defense ministers have a "general shared view" that the alliance must make Afghanistan strong enough to defend itself against militant forces.

VOA: standard.2009.10.23

The Afghan security forces are not yet strong enough.

VOA: standard.2009.10.23