The knob gesture

knobs and construction workers

The side knob of the metal instrument

A close-up of the flame of a gas blowtorch

Photography of the sighting device on the gun

Cell phone photography on the stage

A professional man with the knobs

The instructions on the recorder

Modem Balancer

Santa Claus with the knobs

Photos of oil pumping machines in the oil fields

Oil pump clips from the oil fields

Photos from the pump

Photos from the pump

The woman with the knobs

Emblems of the oil industry

Oil pump clips from the oil fields

The view of the dusk oil field