Close-up shooting: A bearded brunette man in a gray T-shirt along with a professional female doctor in a white uniform showing first aid rules with a mannequin in front of the public against the backdrop of brick walls and large windows

close-up bearded brunette man gray t-shirt professional female doctor white uniform showing first aid rules mannequin public backdrop brick walls large windows healthcare demonstration education clinical skills expertise healthcare professional instructor simulation hands-on practice emergency procedure healthcare industry clinic practical hands health medical equipment learning medical field instructional healthcare education