A construction worker takes a moment to wipe his face while working in the hot sun outdoors .
It is almost certain that a construction worker is hard at work preparing materials for the construction of a new building .
It is highly unlikely that a construction worker is hard at work preparing materials for the construction of a new building .
It is almost certain that a construction worker is hard at work preparing materials for the construction of a new building .
A construction worker is hard at work preparing materials for the construction of a new building .