The pickup run: what happens between your door and the plant
The second thing to watch is separation. A driver who drops your whites into a communal sack with six other households' laundry has already made a sorting error before the wash starts. Disciplined operators keep each order in its own sealed bag from doorstep to washer, with dry-clean items bagged separately from wash-and-fold. Mixed bags are how a colleague's red football kit ends up tinting your bed sheets.
In summer the van itself is part of the process. Cabin and cargo temperatures in July can cook delicate fibres and set certain stains — protein stains like blood or sweat begin to fix into fabric with heat. Serious operators run short route legs in peak months, shade the cargo area, and get stained garments back to the plant quickly rather than letting a full bag ride along for four more stops.