Store Sperm cells i am pretty sure
<span>You must be trained in both of these circumstances</span>
An example of such jobs would be Mining and being a Pharmacist. Miners would often inhale dirt and other components that would destroy their lungs, while pharmacists would inhale fumes and other matter that's bad for you. The same can go for Construction workers who would inhale a large amount of dust.
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aww ty and I hope you have a good day
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