The scientists had produced mechanical defects in the particles first in simulations by high - power computers and then, in reality, with the measurement tip of a scanning force microscope. (sciencedaily.com)
There are many reasons for a crash caused by a brake failure, either through mechanical defect or human negligence. (peter-thompson-associates.com)
Be it a flat tyre, electrical fault or a minor mechanical defect, anything can disrupt your otherwise smooth car journey. (policybazaar.com)