Manager training a woman behind the counter at sandwich bar

preparing food small business business relationship two people multi-ethnic group hispanic protective glove entrepreneur delicatessen teamwork white collar worker slice of food working men cafe occupation women human relationship coffee shop education training class hygiene ethnicity latin american young women food and drink young men apron people owner young adult explaining manager togetherness colleague slow motion youth culture showing glove standing usa adult adults only indoors 4k variation waist up retro style close-up looking down front view 1920-1929 black