But in dogs the foil sometimes didn't evaporate on command and wasn't strong enough.
Post-It notes were famously invented when a 3M scientist developed a glue that wasn't strong enough.
Support wasn't strong enough in the Republican-controlled Congress to make the tax cuts permanent this year.
The judge effectively sided with the defense, saying the evidence wasn't strong enough.
Privately, some insurance-industry officials say losing the mandate might not be quite the blow some supporters suggest, because it already isn't strong enough.
For those who have suggested that the border security triggers outlined in the Senate bill aren't strong enough, we now have a chance to strengthen them.
Williams wasn't strong enough to handle the league's second-leading scorer and Dante Cunningham couldn't hang with him on the perimeter, presenting a matchup problem that certainly isn't unique to the Timberwolves.
Axelrod said Obama's appeal wasn't strong enough to overcome the "internal currents, " pointing out that former IOC President Juan Antonio Samaranch was among those leading the bid to bring the games to Madrid.
Put another way, economic growth just won't be strong enough to lift all corporate boats.
He says it doesn't have strong enough language in it to help homeowners.
"As this season is working toward game 48, our commitment to defense has waned and hasn't been strong enough, " he said.
"Your knee isn't even strong enough to do jumping for a while, " said Shumpert, a 22-year-old who made his season-debut in January.
WSJ: Give Thanks for That Knee Injury��Derrick Rose, Rajon Rondo
Well, then is there concern that these sanctions haven't been strong enough or working well enough to prevent this facility from being built?
That doesn't sound a strong enough case upon which to base their argument.
"The problem with knives... is that the top penalty of two years' imprisonment doesn't send a strong enough message and no one really gets it, " he told Today.
BBC: Jayne Walmsley's son, Luke, was stabbed to death at school
"I just didn't think there was a strong enough difference between John Kerry and George Bush, " Merritt said.
"I don't think that the economy is strong enough yet to warrant withdrawal of the liquidity, " he said.
If the American forces withdraw from Afghanistan, I don't think the Afghan army is strong enough to defend everybody.
CNN: U.S. withdrawal is 'tough love' for disbelieving Afghans
His first choice was architecture, but the counselor didn't think Mr. Kane was strong enough in science and math and steered him instead toward industrial design.
But strong passwords aren't enough to keep you completely secure.
Strong auto production hasn't been enough to offset broader slowdowns in other industries.
It didn't have enough of the Disney magic: strong themes, characters and stories.
Our graduates were benefiting from the strong market, and consequently we didn't allocate enough resources to foreseeing the crisis.
Egeland says the rebels are strong enough only to prove that the issues can't be resolved on the battlefield.
Fueling the growing confidence in stocks is a sense that the U.S. economy is healthy enough that recession isn't a concern but not so strong that the Federal Reserve will pull back on its aggressive measures to ease monetary policy.
But Redmond doesn't have the personal skills to personalize this district enough to ward off a strong Democratic nominee.
Many government critics, however, say Mr. Najib hasn't done enough to meet Malaysians' rising expectations for change, and he is facing a strong challenge in Mr. Anwar.
They also can't be sure that the tools they have for protecting Italian or Spanish banks from any fallout will be strong enough - and credible enough - to persuade ordinary depositors that their money is safe.
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