39 Transport, delivery, packaging, and physical storage services of goods, documents, packages, parcels, valuables, and freight; air cargo transportation services performed as an indirect air carrier; freight shipping and delivery services; supply chain logistics and reverse logistics services in the nature of storage, transportation, and delivery of goods for others by air, rail ship, or truck; cargo handling, transportation, and unloading services; transportation services, namely, transportation of packages and letters by various modes of transportation