Read the article and as you do decide what words are missing.
Airport baggage screeners in the USA, displaying seized chain saws, machetes and knives, warned travellers check their luggage offensive objects before boarding flight.
Officials of Transport Security Administration, said that since February 2002 more 7.5 million prohibited items had seized.
They included 50,000 box cutters -- a weapon said to used by the Sept. 11, 2001 hijackers -- and 1,437 firearms as as 2.3 million knives.
The TSA officials told news conference most people such items in their bags intended no malice but advised passengers to consult the Web site www.tsatraveltips.usa advice on what to leave behind making a trip.
Since the Sept. 11 attacks screeners have confiscated seemingly harmless items like nail clippers and cigarette lighters passengers.
But some carry obviously dangerous items. Chain saws, a weed cutting machine, hand saws and machetes, steak knives, bottles of camping stove fuel and perfume bottles shaped like hand grenades were among items displayed a sample of objects seized New York's John F. Kennedy International Airport.
While some carry-on items have been innocent -- a hockey stick or a child's plastic sword -- other discoveries by TSA have yielded razor blades tennis shoes and a bayonet hidden in hollowed-out artificial leg.
adapted from a true story