Re-educate all employees about gripping a handrail when going down stairs.
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(In Kawagoe Plant, following countermeasures had been carried out before the accident.
Apr., 2012: Instruct all employees about the rules of use of the handrail when using stairs.
June,2013: Equipped handrails to all stairs in the Plant and re-educate the rules.
Dec.,2013: Instruct managers to serve as a model of use of the handrail.)