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Safety training for students should be carried out in accordance with local conditions, especially during the Spring Festival holiday when people like to skate and light fireworks, the ministry said.

The province's direct economic losses to the cold are estimated to be over 67.95 million yuan (about 10.91 million U.S. dollars), mostly coming in agricultural fields.

The figure is higher than the 0.3 mg per kg standard, a provisional regulatory limit set by the Ministry of Health (MOH) in June 2011 after it found bis (2-ethylhexyl) phthalate (DEHP) in food products from Taiwan the same year.

Ma urged these bureaus to be innovative in their management system and regulate officials' behavior during the reception of visitors, calling on them to solve "issues and factors that hinder the scientific development of the country's work on petitions and visits."

While praising local officials' work in this field over the past five years, Ma stressed that officials should treat every petitioner and visitor as their own family and go every length to solve their problems.