This problem is now being faced by many mid-level blue-collar workers, such as production line technicians, who are losing their positions as traditional industries undergo automation or relocation through outward foreign investment.
例如，早年一些傳統產業，在自動化或產業外移下，造成許多中階層的藍領工作者，如工廠生產線的技術人員頓失戰場。