A working fire extinguisher should be available to handle small fires, and all staff members should know how to use it.
具备一个可以使用的灭火器来处理小的火情，所有员工也应该知道怎样使用它。
A working fire extinguisher should be available to handle small fires, and all staff members should know how to use it.
具备一个可以使用的灭火器来处理小的火情，所有员工也应该知道怎样使用它。
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