Both can be used to move objects by attaching pockets, buckets, or frames to them; chains are often used to move things vertically by holding them in frames, as in industrial toasters, while belts are good at moving things horizontally in the form of conveyor belts.
Prav tako je lahko bolj pozitivna povezanost verige lažje je graditi orodje, ki se lahko poveča ali skrči v premeru pri spreminjanju prestavnega razmerja.