loading of coal by buckets grabs of portal cranes into the holds of a dry cargo ship in the seaport

balker bay blue bucket buckets bulker bulldozer business carbon cargo carrier coal coast cola commerce commercial crane cranes delivery dry energy equipment excavation export freight further grab grabs harbor heavy hold holds import industrial industry iron loader loading logistic machinery mechanical mountains murmansk port portal rope russia scenic sea seaport ship shipping ships shipyard sky technology terminal top track trade transport transportation unloading view water work yellow