English to Chinese Tech/Engineering Electronics / Elect Eng equipment maintenance

Context:

After positioning the board correctly, perform the checks mentioned hereunder before putting the unit into operation:

-remove possible dust accumulated on insulating parts or on air vents by means of clean and dry rag or【air jets】.

-By visual inspection make sure than all components are well tightened.

叫什么名字呢？

估计是某种吹气用的喷气嘴一类的东西。我以前去电脑城修电脑时，见过他们拿出一个东西，用手一捏一捏就能吹出气来，可以吹掉设备深处的积灰。不过也不能确定就是这种东西，名字记不太清了。

非常感觉！