Breakdown of kasettokonro o tsukau.

Questions & Answers about kasettokonro o tsukau.
カセットコンロ means a portable gas stove, usually the kind that uses a small removable gas canister.
A few notes:
- カセット = cassette
- コンロ = stove / burner / cooktop
In Japanese, カセットコンロ usually refers to the tabletop burner people use for things like hot pot, camping, or cooking when there is no built-in stove nearby.
It is written in katakana because it is treated as a loanword-style product name.
Katakana is commonly used for:
- foreign loanwords
- product names
- technical or modern-sounding terms
- words that are usually not written in kanji
Even though the literal parts come from foreign-origin words, what matters most is that カセットコンロ is the normal Japanese way to write this item.
を marks the direct object of the verb.
In カセットコンロを使う, the thing being used is カセットコンロ, so it takes を.
Structure:
- カセットコンロ = the cassette stove
- を = object marker
- 使う = to use
So grammatically, it is:
[object] を [verb]
This is one of the most basic Japanese sentence patterns.