National and international transport of goods and passengers by sea and river; chartering and rental of ships; freight transportation by trucks and boats; transport of goods by vehicles, trailers and containers; marine and river towing; loading and unloading of cargo at ports and docks; delivery and storage of goods at ports and docks; unloading cargo, namely, unloading of marine and river vessels; cargo handling, namely, loading and unloading of import and export goods and freight; storage o...