这是安全刀片吗？

Is this a safety razor blade?

youdao

经过了几年的试验，使用抛弃型刀片的安全剃刀问世了。

A few years of metallurgy experimentation later, the disposable-blade safety razor was born.

youdao

更安全的方法是，在电锯停转后，用一根棍子或一块废铁去清理刀片旁的碎屑。

Better yet, once the saw blade has stopped, use a piece of scrap or a push stick to move the waste away from the blade.

youdao