High-security padlocks have been in existence since the early 1900s and have been presenting firefighters with forcible entry challenges for more than 100 years. Long before power tools became readily ...

To ensure compliance under 1910.147, hazardous energy sources, such as electrical, pneumatic, hydraulic, chemical and thermal energy, need to be properly isolated to a zero-energy state through a ...

If someone wants to work on the hardwired dishwasher and not have to worry about someone in a different part of the home turning the power on, they can turn the power off to the circuit breaker, and ...

Circuit breakers are easily switched on and off which can cause problems for professionals carrying out an intervention. Shocks and extreme injury can be the results of prematurely reactivating a ...

Careful what you leave in your lockers, high school students and gym-goers. An invasion of 3-D–printed robots may be coming, capable of popping one of the world’s most ubiquitous brands of combination ...