The main distinction between primary as follows: bulk mainly refers to coal, scattered slag, feldspar, sand, lithium ore and other non-bulk packaging. But generally does not include the bulk of crude oil, and other bulk liquid and gaseous chemicals.

Grocery: also known as the pieces of cargo. Are generally packaged goods. Such as boxes or barrels of cargo loaded.

In addition, bulk cargo in the container before the advent of the dry cargo in the shipping of all time, through to the shipment of bulk carriers. His handling could be entirely human, to finish a box to a box, and on rainy days can not be loading or unloading. International trade is now only ore, coal, grain, chemical fertilizer, steel products, bulk commodities are shipped by bulk carriers to. There is a national river routes. Bulk cargo freight rates is based on grade and size / ton to collect freight, so the container is not necessarily lower than the bulk freight rates.