日語 Japanese Ask Questions Thread2 質問

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Japanese - Ask questions thread
http://dis.4chan.org/read/lang/1174719097/l50

Just a question.
Take care is 'ki o tsukete', right?
So, what kanji shall i use to write tsukete? 付けて or 着けて, as my dictionary says they both have the same meaning? Or is it just plain simple つけて?