Carst marble on Tyrnyauz deposit the karst area of the ore field of the Tyrnyauz 
deposit. Lithological and petrographic characteristics
 When is every matrix over a ring the sum of two tripotents?We study rings over which every matrix is the 
sum of two tripotents. In particular, we show
 Пути развития розничного банковского бизнеса to optimize the
deposit policy of the bank. It defines the ways to improve the efficiency of 
deposit Modeling of Paraffin Wax Deposition Process in Poorly Extractable Hydrocarbon Stock© 2018, Springer Science+Business Media, LLC, part of Springer Nature. Asphalt-resin-wax 
deposits