HSK 7-9
扳
bān动
to pull; to turn (sth) around; to turn around (a situation); to recoup
师傅用力扳动生锈的开关。
Shī fù yòng lì bān dòng shēng xiù de kāi guān.
The technician forcefully turned the rusty switch.
Say it
Hold the button, say it, then let go.
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.