Abstract: An apparatus and method directed to a vibratory separator configured to interchangeably operate in parallel distribution mode and combination series distribution mode for separating solid material suspended in incoming fluid is provided. The vibratory separator includes a top screening deck, a first intermediate screening deck, a second intermediate screening deck, and a bottom screening deck. The vibratory separator may be configured to distribute the incoming fluid in either parallel distribution flow or combination series distribution flow, whereby a bottom screen assembly disposed on the bottom screening deck is included when the vibratory separator is operated in the combination series distribution flow, and wherein the bottom screen assembly is excluded from the bottom screening deck when the vibratory separator is operated in the parallel distribution flow.

Abstract: The invention herein provide a medical face mask system that does not interfere with the performance of the masks and yet provides a continuous visually comforting image for the child patient. The medical face mask system includes coordinating a related design to be present on the adult or practitioner's face mask as well so that the child can continue to view the comforting image throughout the duration of a procedure, treatment, or examination. The invention provides a coordinated medical face mask system comprising: at least adult one face mask sized for an adult wearer; and at least one child face mask sized for a child wearer and having dimensions smaller than said adult face mask; wherein each of said adult face mask and child face mask comprise an externally viewable design that corresponds to the design present on the other mask.

Abstract: The present invention relates to personnel lifts for positioning a subject relative to a work space. Lifts of the invention may include a base, a mechanical positioner, a platform, and a controller. Controllers suitable for use with lifts of the invention are preferably capable of directing continuous, intermittent, periodic, or sporadic adjustment of the subject's position without requiring the subject to break visual or tactile contact with the work space.