The U.S. Department of Energy estimates that demand-response networks could safely handle 20 gigawatts of power, roughly 2% of the country's 900 gigs of generation capacity.

FORBES: Magazine Article

Greg Bower(ph), of the International Association of Bomb Technicians and Investigators, says nitroglycerin is usually too unstable to handle safely.

NPR: It's Hard to Spot a Liquid Threat to Airline Safety

Obviously, as always, safety is our top priority, and we will never allow the amount of air travel we can handle safely to take off and land, which means travelers should expect delays.

WHITEHOUSE: Press Briefing

Ms Kaur was trained in the use of mercury, said Ms Cohen, and was taught how to handle it safely and deal with spillages.

BBC: Dental nurse 'poisoned boss's coffee with mercury'

Just because someone knows enough to handle a gun safely and care for it properly does not make them a citizen warrior.

FORBES: Bill Clinton Sounds The Right Note In Warning Those Who Disrespect The American Gun Culture

Corporate versions of popular consumer IM software let employees send instant messages safely from behind company firewalls, handle archiving and screen for content.

FORBES: Instant Headache