In adults, herpes zoster can cause a lot of pain and even leave a sequel, postherpetic neuralgia, which causes fixed or intermittent pain accompanied by a sensitivity deficit of the affected nerve. Shingle is an acute infection caused by the ...
Preventing and extinguishing a fire involves eliminating one of the three factors presented in the fire triangle: fuel, oxidizer, and heat. For a combustion reaction and a fire to occur, three factors are needed: fuel, oxidizer, and chain reaction. 1- ...