‘Yellow cake’, an item of smuggling across border is (a) a crude form of heroin

(c) Uranium oxide is smuggled across border in the form of yellow cake. Uranium oxide is produced by refining tons of dirt (ore) containing uranium to produce "Yellow cake". Typically yellow cake which contains 80% of uranium oxide, which melts at approximately 2878°C whereas modern yellow cake contains 70 to 90% triuranium octaxide (U₃O₈) by weight. Yellow cake is used in the preparation of uranium fuel for nuclear reactor. Uranium obtained from yellow cake also used in making many types of illegal nuclear explosive which is very dangerous to mankind.