【謝雁如】評論
Class I (就是一般實驗室會有的那種，只保護你不接觸到有害物質，但不需要維持你的實驗無菌) : provides protection for the user and surrounding environment, but no protection for the sample being manipulatedClass II (化療藥品之調劑，需同時保護你不接觸到有害物質，又須維持無菌調劑): provides protection for the user, environment and sampleClass III (glove boxes) : provides maximum protection