Take "lock" apparatus to lock the switch at the stopping location to avoid mistake operating.

可锁定装置，将开关锁定在停止档，避免误操作。

youdao

If Republicans want to avoid repeating this mistake, they will have to first and foremost push back against Democratic plans to turn Medicaid--the joint federal-state health insurance for the poor--into a middle-class entitlement by expanding eligibility in the name of covering the uninsured.

FORBES: Uncommon Sense

One mistake to avoid is the European mixture of over-generous jobless benefits and high tax rates.

ECONOMIST: Asia��s new jobless

Consider all your Social Security options carefully to avoid making a costly mistake.

FORBES: Gain $152,000 by Smart Filing for Social Security