title Jég törő fejjel tisztítás

participant SnowPlow
participant IcebreakerHead
participant RoadSection 1

activate SnowPlow

SnowPlow->IcebreakerHead: doCleaning(Map, RoadSection 1)
activate IcebreakerHead

activate SnowPlow
deactivate SnowPlow

activate SnowPlow
deactivate SnowPlow

IcebreakerHead->RoadSection 1: tryBreakIce()
activate RoadSection 1
RoadSection 1-->IcebreakerHead:
deactivate RoadSection 1


IcebreakerHead-->SnowPlow:
deactivate IcebreakerHead

deactivate SnowPlow