QR codes continue the tomehost principle of "problem to solution in a single click", extending it to physical items.

Machinery or complex products can have QR codes on serial number plates or labels so that anyone servicing the device can easily find the relevant technical documentation instantly. Furthermore, plant installations can have specific QR codes on various components, pulling up just the right section of the user documentation.

QR codes can be used internally in factories constructing large items such as aircraft, plant machinery, and so on, ensuring technicians can access the relevant documentation instantly.

tomehost QR codes also reduce errors, where technicians access out of date or incorrect documentation; as long as the correct QR code is placed on the item, the correct documentation will always be retrieved.