Circular cut-off saws, such as this Wacker unit, have a wide range of applications; but one must be careful to select the right blade for the type of material being cut. Walk-behind saws, such as this ...

The saw not only generates the power of a 15 amp corded saw but features the most run-time of any cordless rear handle circular saw, capable of making up to 570 cuts per charge. Milwaukee Tool Corp.

Imagine a 2.4-ton robotic arm wielding a six-foot-seven (2-m) circular sawblade with a 12-foot (3.7-m) reach, slung onto a truck-mounted hooklift system for easy transport. It's as terrifying as it is ...