Next, let's see what contraband items the airport security check will find.
1. Tool sticks: sticks, bats, clubs, fishing rods, hoes, saws, hammers, screwdrivers, fruit knives, kitchen knives, scissors, watermelon knives, sashimi knives, mountain knives, sickles, ice chisels, large hooks, chisels, irons, metal rulers with a thickness of more than .5mm, and lengths.
2. High-compression tank: insecticide, lubricant, gas tank, spray paint, inflated diving cylinder and other articles filled with high pressure (oxygen cylinder for medical use needed by patients during their journey, carbon dioxide cylinder for prosthetic operation, with the filling amount less than 23 grams, can be carried on the machine).
3. Corrosive substances: aqua regia, sulfuric acid (lead-acid battery), nitric acid, hydrochloric acid, caustic soda, strong alkali, mercury, lead-acid battery, wet battery, fluoride and other corrosive substances.
4. Explosives: C4, TNT, CEMTEX, PETN, Dynamai, Techuer, nitroglycerin, black powder and other military, commercial and emergency explosives, various fuzes, detonators, primers, fireworks, firecrackers, flares, etc.