This is because the SCR is frequently installed in an elevated position near the boiler and well off of the ground.
The SCR is usually installed above the ground level.
The SCR is always installed below ground level.
He was OK with it and it hasn't hit his limit.
One man is riding a bike down a street.
A woman baking cookies.
A firefighter walking under red tape.
One of the girls isn't holding a umbrella.
A building is being destroyed.