That will not work
Project review with a client team; the operations head cuts in.
They sayThat will never work in our plants.
Strong replies
You may be right. What have you seen that makes you say that?
I understand you know the plants better than I do. I think a small trial in one plant could test it. What would you need to see?
Why they work
Hedging and a real question make you sound open and get his reason on the table.
A weak reply
It has worked for other clients. It dismisses him in front of his team.