These and other similar standards could provide the basis for thresholds or alternatively could act as the final target for gradually more restrictive standards. Manufacturers, in turn, are required to deliver the parts needed for repairs within two months. This may eventually lead to waste of these of there was no use for them but this would be a small waste compared to the waste ifa shirt was disposed of because itmissed a button. Many brands already provide spare buttons with shirts, jackets etc.