Please check my answer thanks:)

Question

You've been assigned to invite a group of mechanical engineering professor to tour your factory. What type of language should you use in the invitation?

Formal language

or Direct simple languge

I picked direct and simple

Answer 1

I agree, however, the purpose of the tour should be considered. For instance, if the tour was parcel to some type of future certification, I would go formal.

Answer 2

Thanks:)