Heavy - marked by good psychological weight; weighted down Specifically with unhappiness or troubles or weariness; "a heavy heart"; "a heavy schedule"; "heavy information"; "a heavy silence"; "heavy eyelids" of the army or market; using (or being) the heaviest and most powerful armaments or weapons or products Dampers assist in https://dampersforindustrialsecto01233.webbuzzfeed.com/37442786/the-2-minute-rule-for-dampers-for-industrial-sector