According to a certain type of rate, a shipper cannot be charged less than theappropriate rate of 4kg in most cases, even though his particular consignment mayweigh less than this, we call this type of rate （）.

Normallytrampratesfluctuatewithmarketconditionsofsupplyanddemand.

Insurance contract is essentially a contract between the insurer and the insured.

General average and salvage charges are covered both in FPA and WPA coverage.

Asaconsolidator,theforwarderwillprovidetheserviceinhisownnameandissuea（）