链式制榫机的链条须设有护罩，在切实可行范围内尽量将铣刀围封。
The chain of a chain mortising machine shall be provided with a guard that shall enclose the cutters so far as practicable .
起重机或绞车的拥有人须确保其起重机或绞车所排出的废汽，及在切实可行范围内尽量确保输给其起重机或绞车的新汽，不会使任何有工人受雇的工场变得蒙眬不清。
The owner of a crane or winch shall ensure that the exhaust steam from and so far as practicable live steam to any crane or winch does not obscure any workplace at which a workman is employed.
在合理切实可行范围内，防止老鼠及昆虫侵扰或禽鸟闯入。
Prevent so far as is reasonably practicable infestation by rats mice and insects and the entry of birds.
在合理切实可行范围内，防止老鼠及昆虫侵扰或禽鸟闯入。
Prevent so far as is reasonably practicable infestation by rats mice and insects and the entry of birds.
应用推荐