close-up of industrial stainless preassure meter from garment industry iron steamer machine with blurry and soft focus background

air airpressure arrow background bar blurry boiler close closeup compression control device energy engineering equipment flow fluid focus gage garment gas gauge hot indicator industrial industry instrument iron machine measure measurement metal meter metering number old part petroleum pipeline power preassure pressure pump reading scale soft stainless steam steamer steel technical tool tube valve vessel water work