Welder demonstrates basic welding techniques for his partnered trainees. Original public domain image from Flickr https://www.rawpixel.com/image/4042496/photo-image-smoke-person-manFree Image from public domain licenseAn african woman photography portrait adult. AI generated Image by rawpixel. https://www.rawpixel.com/image/12949589/african-woman-photography-portrait-adult-generated-image-rawpixelView licenseTraining. Work Projects Administration (WPA) vocational school. This young lady is training to work on the assembly line of… https://www.rawpixel.com/image/12308112/image-plants-person-artFree Image from public domain license