| http://www.w3.org/ns/prov#value | - To permit charging of the vessel 27 some means must be provided for venting air therefrom and this may be provided by a suitable vent valve 44 in the top of vessel 27. rCoca-Cola avoring is not available in concentrate form, and therefore to .permit the system to be used for mixing all types of soft drinks, a separate system is provided for handling Coca-Cola.
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