There must be protection of waste/garbage, keep six, drop spill into the environment or environmental impact directly with appropriate methods, such as separating the surrounding materials, liquids, etc.
Must be the prevention of waste / garbage, that spillage or leakage into the environment directly impacts the environment in various ways, such as the barrier material surrounding the liquid and so on.
There must be protection waste / waste from six drop spills out into the environment or the environmental impact by directly using various methods such as Do the barrier around the raw material liquid, etc.