Table 4.1 ,,
Prohibited Items Intercepted at U.S. Airport Screening Checkpoints: 2003–2004 ,,
(Number) ,,
Items ,2003,2004
Other cutting instruments ,"2,973,413","3,567,731"
Knives ,"1,961,849","2,058,652"
Incendiaries and explosive/flammable materials ,"494,123","693,649"
Clubs ,"25,139","28,813"
Box cutters ,"20,991","22,350"
Firearms ,683,650
Other ,"638,414","717,754"
Total prohibited items ,"6,114,612","7,089,599"
"NOTES: “Other cutting instruments” include metal pointed scissors, hatchets, swords, sabers, meat cleavers, ice axes, and picks. ",,
"“Knives” are sharp bladed cutting instruments of any length and type except round-bladed, butter, and plastic cutlery. ",,
"“Incendiaries” include explosives (firecrackers, ammunition, blasting caps, plastic explosives, gunpowder, grenades, and flares); aerosols except for personal care or toiletries in limited quantities; gasoline, fuels, paint thinner, and flammable liquids; torch lighters; and strike-anywhere matches. ",,
"“Clubs” includes martial arts items, baseball bats, night sticks, hammers, pool cues, and billy clubs. ",,
"“Firearms” means any weapon (including a starter gun) that will or is designed to or may readily be converted to expel a projectile by the action of an explosive, as well as spear guns, BB guns, fl are pistols, compressed air guns, and stunning devices. ",,
"“Other” encompasses tools, self-defense items, compressed gas cylinders, bleach, and certain sporting goods. ",,
"For further clarification about terms, see http://www.tsa.gov/interweb/assetlibrary/Permitted_Prohibited_5_16_2005_v3.pdf.. ",,
"SOURCE: U.S. Department of Homeland Security, Transportation Security Administration, Office ot Transportation Security Policy, personal communication, July 2005. ",,