Explanation:
I don't know and I don't understand this question
Here's an example sentence.
The girl laughed as her father, the "fitness expert", struggled to do a push up.
This shows sarcasm and irony because if her father calls himself a fitness expert, then why is he struggling to do one pushup. This is the opposite of being a fitness expert.
I believe the centrifuge "flings" things in both directions, because the process of a centrifuge is to separate fluids.
