A system and method for automatically adjusting floor controls based on conversational characteristics is provided. An enzyme-stabilized formulation is disclosed comprising an alpha-hydroxy-mono-carboxylic acid or the salt of an alpha-hydroxy-mono-carboxylic acid, a boron containing compound capable complexing with an alpha-hydroxy-mono-carboxylic acid, the complex formed by the boron compound and the an alpha-hydroxy-mono-carboxylic acid, and an enzyme. , when two such content portions are to be presented concurrently at the network node, at least one is delayed until the other such portion can be presented concurrently therewith. This enables the retransmitting node to start retransmitting a message received from the preceding node to the following node before completing receiving the message.