It's wise to measure an object twice before cutting it. I learned thiş last year when I made a birdhouse. I measured all the wood, but I forgot to check my work. My dad
cut the wood exactly where I marked it. It turned out that none of the pieces fit
together! Now, I always measure twice.
What support does that author give for measuring twice?
1
He gives three good reasons.
2
He gives an expert's opinion.
3
He gives an example from his life.