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headbang
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header
header tank
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header tank
head·er tank (plural head·er tanks)


noun 
Definition:
 
tank maintaining constant pressure: a raised tank that ensures a constant pressure or supply of fluid to a system, especially water to a central heating system
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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