O mne
The concrete roller screed is a specialized piece of equipment that is used to level and smooth out concrete slabs. It consists
of a long, telescoping beam with a roller attached at one end. The beam is mounted on a set of wheels so that it can be easily
moved around the job site.
hydraulic roller screedhttps://www.concrete-laser-screed.com/roller-screed/gpj-300h-hydraulic-roller-screed/