Return your equipment to its proper place
Aside from the grocery, you can see whether or not people have been adequately socialized or not in the fitness center. People who have been raised correctly and have good manners would put away their things after use.
However, some people don’t care and leave equipment strewn about. How can this problem be addressed? Put up a notice like the one shown above. They’re implying that the guys with all of those muscles are sissies by informing them that the girls will replace the gear.