Both Boeing and Airbus have had to step in when outside suppliers chosen by the airlines failed to make their systems work.
His first venture though ended in disaster when a supplier of highlighter failed to provide the product with a suitable ink colour.
Even so, suppliers can fail to meet their obligations.
States may choose to set penalty values or make arbitrary penalty amounts when suppliers fail to meet a renewable target.
That raises the company's manufacturing costs slightly and exposes it to risks if a supplier fails to produce.
If a supplier fails to do what they've promised, we will find another supplier - with no tears.
They don't have rabbit-many apologies, supplier failed to deliver.
Krasnaya Zvezda said suppliers failed to deliver 100,000 tons of food and 2.3 millions tons of fuel last year.
Under the Consumer Credit Act, items costing more than £100 are protected if the supplier fails to deliver or the goods are faulty.
It is said that when a supplier failed to deliver a batch of jam, William made his own.