What three elements of this story repeat?
1. Each pig builds a house,
2. Each pig pays a visit to his mother.
3. The wolf says "Til huff and puff, and I will blow your
house down."
4. The wolf says “May I have some more?"
5. The pigs say "Nope! Go away."

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

based on this information, i would advocate against sweatshop labour because it exploits workers in unsafe working conditions with little pay. though sweatshops produce inexpensive goods, they harm the environment, workers, and often use unsafe materials to make consumer goods.