Abstract: An educational dynamic method of teaching language is disclosed wherein a set of general categories of shapes represents all the parts of speech of natural human language. Animated changes in form and dynamic interaction within and between the categories of shapes represent symbolically the actions performed on or by each part of speech. A structural framework space provides the boundaries for arrangement and movement of the shapes; the framework space is defined by the rules of the given language. Each shape has its own structure which logically represents the complements of the given part of speech. Different colors within each category of shapes represent subcategories of the corresponding part of speech. Shapes, shape changes, and dynamic interaction within and between the shapes, represent the words, expression, and action whether it be voluntary, involuntary, active or inactive.

Abstract: A barbell weight lifting apparatus comprising a plurality of spaced weights stored on spaced apart support trays and arranged in two horizontal rows on a frame, the weights each having an identically positioned horizontal slot therein and a vertically disposed pin mounted in therein for securing the weights to a lifting bar. The lifting bar has a rotatable collar on each end with spaced circumferential grooves cut therein in positions to be in line with the pins in the weights when the lifting bar is positioned in the slots. The lifting bar has round wheels attached to the ends thereof which rest in a guide channel on each end of the frame and cooperate with a pair of spaced alignment bar mounted on the frame for control of the motion of the lifting bar to maintain the lifting bar in proper alignment with the frame and the weights during weight loading and unloading procedures. Weights not selected for attachment to the lifting bar are prevented from movement off the frame by a horizontal safety bar.