You shouldn't wear jewelry next to batteries because energy from the batteries can easily transfer through your jewelry then into your body being harmful to your body.
Eye protection.
Jewelry is usually made of highly conductive metals and could easily short across the battery terminals if the jewelry comes into contact with them.
Rubber gloves, rubber apron, eye and face protection.
A welder creating permanent jewelry should have qualifications in welding techniques, experience in working with precious metals, and knowledge of jewelry design. They should also have a keen eye for detail and precision to ensure the jewelry is crafted to a high standard.
Jewelry and Antistatic wrist strap
No, a magnet should not stop a torch from working. Torches typically use batteries to power the light, and magnets do not interfere with the electrical circuit in a torch.
Group 27 should be around 750 ccaGroup 27 should be around 750 cca
Usually you change batteries when it dies out on you. But there are also indications that batteries need changing. Like it's not working smoothly, or remote signal seems weak, or the flashing battery indicator. Best if you have a spare set of batteries on hand.
There are many places to find sterling silver jewelry. When it comes to jewelry many think it should be purchased from a jewelry store. However, if you scout around at the pawn shops you are likely to find something suitable for a fair price. Sometimes you will pay around $10.
Jewelry that is uncomfortable or jewelry that you make have an allergic reaction to should not be worn.
Because you really don't want to short out the circuit through your jewelry. I was once working with a six volt lantern battery and my screwdriver slipped, briefly coming into contact with both poles of the battery. There was a brilliant white flare and, in the fraction of a second that the screwdriver was touching both poles, the arc melted halfway through the shaft. In fairness, this was a small screwdriver, but still I'm extremely glad this didn't happen to something I was actually wearing at the time.
NO, it should be just the word "supply them" should be used. No, the proper word there is probably "replace" them. "Supplant" or perhaps "supplement" would work when describing choices to use instead of ,or in addition to, batteries while the batteries are still working.