 
<translate> Gịnị bụ isi ihe dị n'ụlọ ọrụ mmepụta ihe? Nhọrọ: - ụlọ mmepụta ihe - mmepeanya - ego - ígwè ọrụ - Obodo ukwu Ka anyị buru ụzọ chee echiche nke ọma. Nzọụkwụ site na Nzọụkwụ Ntụgharị uche: <eng> What is a staple of the manufacturing industry?
Options:
- factory
- civilization
- money
- machinery
- big city
Let's think carefully first. Step-by-step reasoning process: 