[Steve44]

> I've also heard that unscrewed bottle-caps, or other small plastics also fall in the common waste dump at the facility.

The EU, and UK, recently brought in legislation where the bottle caps are tethered to the bottle. The main reason is to reduce littering, but it does also make recycling easier.

https://phys.org/news/2024-10-plastic-bottles-eu-caps.html

> I would actually like to know the average percentage of the content of domestic recycling bins that the entities on the other side bother to see recycled.

https://commonslibrary.parliament.uk/research-briefings/cbp-...

"An estimated 73% of the plastic bottles produced in 2020/21 were collected from households for recycling. The rate was 47% for pots, tubs and trays and much lower for plastic film at just 4%."