Although recalls do occur, they are relatively rare and typically involve spectacular defects, like the pyromaniac lithium-ion batteries in the Apple Powerbook 5300 series.

A common perception of maintenance is that it merely involves fixing defects.

Both involve defects of the immune system and elevated levels of immunoglobulin E (hyper IgE) in the blood.

The problem involves relatively minor defects reported in the last inspection cycle as "safe with a repair and maintenance program," he said.

Of these diseases, those characterized by structural deformities are termed "congenital anomalies" and involve defects in or damage to a developing fetus.

Many malformations involve defects in the airway passage, inflammation of the middle ear and/or hearing and speech defects.

More severe cases involve congenital defects and full metabolic crisis.

It involves defects in hemidesmosomes possibly resulting from defective interaction between the integrin and its ligand.

A number of inherited diseases involve defects in carrier proteins in a particular substance or group of cells.

Many genetic disorders involve hereditary defects in receptor genes.