A man is giving a presentation in front of a projector screen with an equation for hcrp.
A man stands in front of a presentation that has math equations on the screen.
man giving a lecture with projection of a formula and cellphone behind him that has message "today's swimming pleasure measure is: 6"
man giving lecture in front of projection showing formula and a cellphone with its screen showing "today's swimming pleasure measure is: 6"
A man lecturing in front of a screen that has an equation for hcrp and spm