Artist Benedetto Bufalino Unveils a Disco Ball Cement Truck | ColossalDec 13, 2016 . Thanks to French artist Benedetto Bufalino, you can now dance the night away at a construction site turned night club with the help of his new Diso Ball Cement Mixer. The truck was parked from December 8-10 in Lyon, France where bright spotlights pointed at the truck turned the streets and building.توپ سیمان,Cement mill - WikipediaA cement mill is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is currently ground in ball mills and also vertical roller mills which are more effective than ball mills. Contents. [hide]. 1 History; 2 Materials ground.