Although the new features of the rebuilds were mainly the application of successful standard principles, the retention of the outside admission cylinders with their necessary high-pressure valve rod glands, of which the Southern lacked previous experience with an engine of this size, caused some unexpected teething troubles.

PHS can be converted to PHC followed by a mechanism similar to that between DHS and DHC, but the reverse reaction is catalyzed by the specific enzyme phytoceramidase.

Hence a testifier must be selective and must render to you that which is relevant.

Sodium polyacrylate is an acrid salt.