When his work went wrong, it was with him as with the machine, due to faulty material.
It also said it was too early to say whether a design flaw or faulty materials were to blame.
Or if they're found out, perhaps, yes, having based their decisions on faulty material.
They discovered that cheap and faulty materials had been used constantly.
But a lot of the problems were due to a shipment of faulty materials from foreign suppliers.
The county inspector was accusing the firm of having used faulty material, although this had been ruled out by tests.
A number of possible explanations - from faulty material to the overthrow of the Jianwen Emperor by the Yongle Emperor in 1402 - have been advanced.
As the year continued, Neil's true past came to light when he was able to prove the collapse was due not to his design, but to the faulty materials Spaulding had purchased.
The only undertaking made was to repair or replace defective parts, as a result of the use of faulty materials or of faulty workmanship.
A miscalculation made by the computer on the basis of faulty material she had given it could be costly.