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Tankers are ships made for the carriage of goods in bulk. As a rule, these are various petroleum products: chemicals, liquefied gas, cement etc. They do not have special cargo equipment, only large tanks for transportation. The tanker’s hull is a rigid metal frame lined with metal sheets. The hull is divided by bulkheads into a number of compartments (tanks), which are filled with bulk cargoes.
The process of loading/unloading is quite fast because vessels are equipped with powerful pumping systems.
Bulk carriers are ships for transportation of bulk cargoes. Also, there are no special cargo mechanisms, only large holds for the cargo. The appearance of this type of vessels is explained by the growing needs of economically developed countries in the uninterrupted supply of raw materials, resources and, accordingly, the transportation of such goods. These are, as a rule, single-deck vessels with large holds, which are best suited for the transport of bulky cargoes and their loading/unloading.
Dry cargo ships
Universal dry cargo vessels carry general cargoes, as well as heavy and oversized cargoes. These general marine ships are mainly designed for the transportation of general cargoes in packaging and all sorts of dry cargoes. They have several holds with large hatches to facilitate loading and unloading.
Rollerblades are cargo vessels using a horizontal way of loading-unloading. The main types of such vessels are:
- Horizontal way of loading – rolling technology that loads on Euro pallets
- A mixed type of loading – horizontal and vertical (including the help of a crane).
The appearance of a universal container for the transport of goods in the 1960s – a container – caused the emergence of special vessels, container ships. Container ships are divided into two groups: marine and feeder. Sea container ships are most common in shipping. They operate routes on intercontinental lines – Europe – Asia, Europe – North and South America, etc.