Pertains to road surface treatment machines, which are in particular: - binder sprayers [or sprayers]; - chipping spreaders [or spreaders]; - machines for surface repairs (binder sprayer chipping spreader [or sprayer spreader]); - mastics asphalt mixers; - joint sealer; - micro-surfacing machines/slurry machines; and - cold asphalt laying/micro-asphalt-paving machines.