https://en.wikipedia.org/wiki/Wafer_(electronics)
https://en.wikipedia.org/wiki/Semiconductor_device_fabrication

teach
https://en.wikipedia.org/wiki/List_of_mining_companies
https://en.wikipedia.org/wiki/Country
l – computer

HONG KONG
national port

DEX 1980
PAX

https://en.wikipedia.org/wiki/1,000,000
dollar