Welding transformer operation under load: Listen & Download Welding transformer operation under load .mp3 Error! Change your browser, please! ⇓ Download Heidelberian sorting printer ⚠ Electric generator (hum) ⚠ Lithographic press ⚠ Spinning machine ⚠ Forklift approaching ⚠ On, off, standby, Forklift ⚠ Turn off, Air compressor turn on ⚠ Oil pump ⚠ Signal for lunch at the factory ⚠ Hydraulic pump ⚠ Hydraulic machine up ⚠ Circular knitting machine ⚠ ★★★★★