Coffee: Ground coffee has a nice, crisp natural aroma. Just put about a cup of ground coffee in a flat, uncovered container. Place the container inside the confined space for several days. If the bad smell is extremely horrible, put more ground coffee. The area will smell of fresh coffee for many days.
Overall, these bins are not as attractive and therefore not as commonly placed in public areas, though it is possible to purchase specialized lids for more controlled trash disposal. This type of outdoor trash receptacle is often ideal for employee usage and for housing waste that has been emptied from inside.