Valves

Gray Gold and Red Industrial Machine

Silver Gold Musical Instrument

Gray Gold and Red Industrial Machine

Pipeline Close-up

Pipeline Junction / Valves

Washer Hookup

Pipes

Pipes

Industrial Pipeline

Valves and Pipeline from Tank

Basin for Oil collection

Basin for Oil collection

Valves and Pipeline from Tank

Valves and Pipeline from Tank

Valves and Pipeline from Tank

Tanker terminal

Piping on the Deck of an Oil Tanker

Heart and stethoscope - cardiology and medicine icons

Big Tank on Ammonia Refrigeration Plant

Large pump for Pumping Oil

Italian coffee maker

Vintage Steam-Powered Lumber Collector