Two things break a scheme and neither is signage. Unequal capacity, since a general waste bin twice the size gets filled regardless of contents. And unequal placement, because a bin two steps further away is the one nobody uses. Match volumes, group them together, and colour code consistently across the site. See recycling and separation, rubbish bins and bin liners.

Waste Separation Bins

Shop waste separation bins for recycling, general waste, offices, schools, kitchens and commercial facilities.