When you go to a shop or office and you ask for the manger for help or for a complaint etc that is in person customer service as you’re in person to receive the customer service.
Sublingual, IV, IM, insufflation, Skin absorbtion, Plugging, inhalation, eye absorbtion, and of course, swallowing. Discounting Skin and eye absorbtion, youve got 7 so i would go with that.
Was a hollow globe with a thick outer layer
A and d and e is what I came up with