If the ACA is repealed, with it will go the protection it offers individuals with preexisting health problems. They would again be denied health insurance or subjected to unaffordable insurance premiums.
The rapid transition from a non-conducting to a conductive state produces a brief emission of light and a sharp crack or snapping sound. A spark is created when the applied electric field exceeds the dielectric breakdown strength of the intervening medium.
Made of either stainless or galvanized steel, once straying embers hit the spark arrestor they fall back into the stove or burn off. By intercepting sparks in mid-flight, spark arrestors play an important role in preventing accidental fires from occurring.