Choose among the following words:

forwarder, logging, timber, by, communication, report, lines, factors, relationship, trucking, client

Several [?] can make it necessary to begin [?] before the forwarding work at the site is complete. This requires good [?] between the forwarder operator, the [?] and the truckers. To this end it is important to [?] the volume of forwarded [?]; generally this is done once a day [?] the forwarder operator. It is also important for the [?] operator to maintain a good [?] with the truckers and keep the communication [?] open.