The basics of the boil are simple: A big pot and a way to heat it; water; seasoning; veggies; lively crustaceans and newspapers to dump the crawfish on. Many people, however, have turned this into an art form. Others want to try it for the first time, or -- and this is a big group -- improve their skills.
UV can cause burns, as well as have damaging effects on one's eyes. Damage to the lens of the eye can lead to arc-eye, which is an uncomfortable and often untreatable condition in that makes it feel as if there is sand in one's eye. Exposure to infrared radiation (IR) - IR is also created by the electric arc from welding and other metalworking equipment.
In arc welding, the heat is produced by an electrical discharge. The. welding arc is discharged through an ionized gas, with the arc produced. between the tip of the electrode and the work piece to be welded. Either ac or. dc power supplies can be used, as well as either a consumable or no.