This is the 2517th most frequent Japanese word.
取り扱い
Handling; treatment; management.
In this context, '取り扱い' pertains to the methods and guidelines related to usage described in the manual.
取り扱い説明書を読むことをおすすめします。
I recommend reading the instruction manual.
Here, '取り扱い' denotes managing or addressing the matter, indicating that specialized attention is necessary.
この問題は専門家による取り扱いが必要です。
This issue requires handling by a professional.
The word '取り扱い' here refers to the act of handling or dealing with the product, emphasizing careful treatment.