A certain friction causes a leadiness or grayness. and the whiteness is gone. Therefore the best lead makers are the best grinders.

On the long, continuous downgrades of East Africa dynamic braking is of special value; the traction motors are used as generators and their energy output dissipated in force-ventilated banks of resistors. This facility enables a 700-ton trailing load, for example, to be brought down a 1 in 66 gradient at any selected speed between 14 and 25 m.p.h. without use of the air brakes.

The bastards are quietly-quietly sharpening their parangs.

His father had apprenticed him to a silk merchant.