这些都是局部吸收杀虫剂，它需要最低限度的应用，为最大限度地保护您的宠物。
These are topically absorbed insecticides, which require minimal applications for maximum protection for your pet.
但应该确保的是，伞可以提供最大的保护直径，将暴露在阳光下的范围维持在最低限度。
But you should ensure an umbrella has a wide diameter to provide maximum protection and minimum exposure.
结果：提高自身保护意识，将职业危害降至最低限度。
Results: to improve their own protection consciousness, professional harm will drop to a minimum.
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