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Venti is a network storage system that permanently stores data blocks. A 160-bit SHA-1 hash of the data (called score by Venti) acts as the address of the data. This enforces a write-once policy since no other data block can be found with the same address: the addresses of multiple writes of the same data are identical, so it is highly likely that duplicate data is easily identified and the ...
Venturi masks are used to deliver a specified fraction of inspired oxygen (F I O 2).Many masks are color-coded and have a recommended oxygen flow specified on them. [5] When used with this oxygen flow, the mask should provide the specified F I O 2.