Answer:
Wind and cord combine, buzzing in the box. In all this we find, though to some the use is lost. What am I?
I have six faces but not even one body connected, 21 eyes in total but cannot see. What am I?
I make billions of dollars selling windows. Who am I?
I begin your sentences. What am I?
I always have to work with something in my eye. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.