If you do not have a complete and thorough understanding of what it is that you are messing with then you DO NOT need to be messing with it. And this is to avoid someone from painful shock/muscular paralysis/extreme breathing difficulties or even death caused by the current passed directly through the heart. (Added by Mr. Domingo S. Amancio, ALS Mobile Teacher, Dalaguete, Cebu, Phillipines)
The most important rule for health and safety at work is "Be aware and alert."
The most important rule for laboratory safety is "Know the hazards of what you are working with." The next most important rule is "Know how to protect yourself from the hazards of the materials you are working with."
wear helmet
Safety Goggles
"Know the hazards of what you are working with."
Treat all weapons as if they are loaded.
The most important safety rule is to always follow proper procedures and protocols. This includes wearing appropriate safety gear, following guidelines set by experts, and staying vigilant at all times.
The most important safety rule when performing a lab is to always wear appropriate personal protective equipment, such as safety glasses, gloves, and a lab coat, to protect yourself from potential hazards.
The most important safety rule when performing a lab is to always wear appropriate personal protective equipment, such as safety goggles, gloves, and a lab coat. These items can help protect you from potential hazards and minimize the risk of injury.
Always know what your doing... never try something on your own,
The main safety rule is to switch off at the mains before working on electrical equipment and wiring.
wear helmet