Close-up shooting: A bearded brunette man in a gray T-shirt tightens a tourniquet with another bearded brunette man with long hair in a red T-shirt

close-up shooting bearded brunette man gray t-shirt tightens tourniquet another long hair red training practical classes first aid healthcare education hands-on skills development clinical students supervision equipment realistic simulation lab health science monitoring experience technology program instruction tools setting application emergency response life-saving practice demonstration assistance learning