It doesn’t get much more American on the Fourth of July than fireworks after a day of parades, barbecues, and get-togethers. And yet, few things are more potentially dangerous than personal pyrotechnics. In addition to the risk of injury and terrorizing pets, home fireworks can set off potentially devastating wildfires and personal property conflagrations. Ready OC, Orange County’s foremost preparedness website, has a wide array of precautions and plans that can be used in the case of disasters — natural or manmade. Education and awareness are vital on holidays and will remain important in the coming months, when the hot…