A major health hazard of the product tert-butylamine is that it ().
The principal personnel hazard unique to Halon extinguishers is().
A major health hazard of the product tert-butylamine is that it().
The primary hazard of liquefied petroleum gas and liquefied natural gas is().
An obstruction on a helodeck is any object that might present a hazard to the().
An obstruction on a helideck is any object that might present a hazard to the().
Which of the following represents a safety hazard?()
In order to determine the health hazard data for carbolic acid,you would use that information contained in the Chemical Data Guide for which chemical?()
危害识别hazard identification
道德风险(Moral hazard)