'Carrying' in the Bible

This shall be the service of the families of the Gershonites, in serving, and in carrying:

At the commandment of Aaron and his sons shall be all the service of the sons of the Gershonites, in all their carrying, and in all their service; and ye shall appoint unto them in charge all their carrying.

from thirty years old and upward even to fifty years old, every one that came to serve in the work of the service, and in the work of carrying, in the tent of meeting,