Norm criticism

Close your eyes for a second. Imagine a car mechanic. What does the car mechanic look like? Sound like? How do you behave towards them? Your expectations of a car mechanic are based on the norms in the society where you live. Norms, expectations and prejudice are tightly knit together. Why did the mechanic look like they did? Why did you imagine that exact person? How would you react towards a car mechanic who looked completely different?