If a fabricator operates machines from more than one vendor, they may prefer to use an off-the-shelf nesting package from a third-party vendor.

Online marketplaces are not responsible for the safety of products sold by third-party vendors, despite taking a commission on every sale.

Nor are last-minute, walk-up sales or tickets from third-party vendors taken into account.

Third-party vendors offer food delivery, hotel bookings and other services.

The submitted articles are stored on a server hosted by the publication house or by a third-party vendor and are usually evaluated before being given a green signal.