The only specialized labor necessary for SCR installations are members of the boilermakers trade, and estimates of boilermaker demand were made.
Little specialized labor is need for installations.
SCR installations are simple enough that anyone can do it.
A teen guy is lost because he wouldn't ask for directions.
And that's just
The man in the red t-shirt is holding some food.
Four musicians performing on the street.
A boy picks up something.
A laborer is holding a piece of wood.