Heavy - (of slumber) deep and finish; "a heavy slumber"; "fell into a profound snooze"; "a audio sleeper"; "deep wakeless rest" Industrial dampers utilize a heavy-duty flanged body damper with several blade variations and force courses. These operate in industrial and significant duty apps. Mining: Our butterfly dampers control air flow https://sethxpgui.blogacep.com/42422526/the-definitive-guide-to-dampers-for-industrial-sector