Handling, Treatment
noun, verbal noun
If 扱う is "to handle," the noun version of that is handling or treatment.
あつかい
The reading comes from 扱う, so if you know that you'll have a good handling of this one.
ワイングラスの扱いに気をつけるようにと言われた直後に、案の定一つ割ってしまった。
Right after I was told to be careful with the wine glass, sure enough, I broke one.