And the bamboo team cannot use power tools because any oil or gas residue would poison the pandas.The hand-held saw and lopper are greased with cooking oil after being disinfected every day.

• 采竹队不能使电动工具，机油和废气残留物也会让大熊猫中毒，手锯和长剪每天消毒后都得用食用油来润滑。