Gather the pars for one as normal, but leave out all the glue and leave the plastic clips undone Put it in the same container as all the others. Send it to th

Gather the pars for one as normal, but leave out all the glue and leave the plastic clips undone Put it in the same container as all the others. Send it to the same retailer. If one part fails a lot, shove a crate full of those in the same container. Maximum cost: Add the fraction of your products that need repairs over wholesale. If lots of machines need repairs you've fucked up and should he paying more or figuring out better logistics.