A1 Concrete Pumping Sticker for iOS & Android | GIPHY
Mixer Concrete Sticker by TRANSBET for iOS & Android | GIPHY
Cement-mixer GIFs - Get the best GIF on GIPHY
How a cement mixer mixes and pours concrete. Note that the gif shows a cross-section and the black thing is a corkscrew attatched to the walls of the mixers drum. : r/educationalgifs