| | Before World War II, Poland's industrial base was concentrated in the coal, textile, chemical, machinery, iron, and steel sectors. Today it extends to fertilizers, petrochemicals, machine tools, electrical machinery, electronics, and shipbuilding. | | Before World War II, Poland's industrial base was concentrated in the coal, textile, chemical, machinery, iron, and steel sectors. Today it extends to fertilizers, petrochemicals, machine tools, electrical machinery, electronics, and shipbuilding. |