Solved: Pressure is sometimes measured in units called psi. 1 psi is the pressure exerted on an ar [algebra]
High Precision Stainless Steel Pressure Gauge for Liquid Fuel Oil Water Air Gas Tire Vacuum Measurement with 100 MPa Bar Psi Kg/Cm2 G1/2 M20*1.5 1/4NPT - China Manometers, Water Meters | Made-in-China.com
Manometer Vacuum Mini Dual Scale Dial Gauge Pool Spa Filter Water Pressure Gauge Mini 0-60 PSI 0-20bar 0-20 kg/cm² Side Mount 1/4 Pressure Gauge - Dunia.com.BD