I would say yes, because some other jobs need more responsibilities and require different skills.
I will use a magic eraser sponge with warm water, usually it works perfect for me.
Well, work together and give the person some instructions about the moving stuff.
Yes of course, because I can take my personal precautions to handle the situation.
To me yes, it makes sense because the air purifier clean the air and the diffuser is for aroma therapy.