This is the 7739th most frequent Japanese word.
取扱
Handling; treatment; management.
Here, "取扱い" (read as とりあつかい) is used to denote "handling" of a product, implying its usability or user-friendliness.
この商品は取り扱いが簡単です。
This product is easy to handle.
In this sentence, "取扱い" is related to the "handling" of hazardous materials, emphasizing careful management.
危険物の取扱いには注意が必要です。
Caution is needed when handling hazardous materials.
Here, "取扱" appears within "取扱説明書" (operation manual), referring to the instructions for use or handling.