Djingova R, Kuleff I, 2002. Concentration of caesium-137, cobalt-60 and potassium-40 in some wild and edible plants around the nucler power plant in Bulgaria. Journal of Environmental Activity,. Djingova R, Kuleff I, Penev I, Sansoni B, 1986. Bromine, copper, manganese and lead content of the leaves of Taraxacum officinale (dandelion).608RS Extended Ball Bearing Features: eap with convenient and widely application. n bear radial load, but also can bear a certain axial load. 3.Wheneased, with the function of angular contact ball bearings, can bear large axial load. sotmized service available.The Lockheed AC-130 gunship is a heavily armed, long-endurance, ground-attack variant of the C-130 Hercules transport, fixed-wing carries a wide array of ground-attack weapons that are integrated with sophisticated sensors, navigation, and fire-control systems.Unlike other modern military fixed-wing aircraft, the AC-130 relies on visual targeting.608 Bearing.RS 608-ZZ Radial Ball Bearing 8X22X7 Skate BearingTheRS and 608-ZZ is a 8mm ball bearing that is found in many applications. TheRS ball bearing has two contact rubber seals one on each side of the ball bearing. This is a popular bearing for roller skates, roller blades, skate boards and scooters.