Major imports can be vehicles besides railway, oil, machinery, and cereal.
The major import would be machinery
Bulgaria's major import is oil and methane gas. Its major trade partners are Germany and Romania.
Major import: weapons, ammunition, killing machines from the USA. Major export: Opium, morphine.
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Coal
Water
A major import of Iran is machinery. Machinery makes up almost 20 percent of their imports. Machinery tools and vehicles are also major imports.
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The major import of Pakistan is Petroleum, Fats, Electronic accessories and automobiles.
Electronics (from Germany)