공업화가 · 공업화를
industrialization
Example
한국은 1960년대부터 빠르게 공업화되었습니다.
Korea industrialized rapidly from the 1960s on.
Word parts
공 work+업 business+화 become
Literally 'becoming industrial'; 공업 means manufacturing industry.
Good to know
Pronounced [공어퐈]; 공업화 and 산업화 are near synonyms, but 산업화 is more common today.