Begin recycling prompts you to show that you are taking care of the collected items correctly. You will be required to take a photo of the items by using the app, This should be done at an appropriate location where you can discard of the items, normally at a recycling centre or a recycling station. You access the function through any ad that you haven't recycled yet and it is possible to recycle multiple pick-ups at once. The image you take is saved with geo-coordinates of the location as well as a timestamp which is used as a receipt to verify that everything is complete.
Keep in mind that this is reviewed continuously.
You may keep anything you'd like in the ad while documentation is needed if anything at all will/must be thrown away.