Document e7z97wmGDJvQyGQgYpvYda28E
Construction Specifications
The spine is made with 9 blocks, each 2-m square and 1%-in high Each is drilled at the center to ac comodate a standard screen door spring The T-shaped head and shoulder piece is about 8-in long, 2-in thick, and supports the arms on shoulders about 5-in apart The hip block is 2-in square, with slop ing sides so legs will spread open id front Add a W-in spacer be tween the hip block and each leg
Assemble the body by using wood screws to attach ends of spring to the head and hip pieces Tack a piece of 2-in -wide belting to the front of the spine blocks to hold them in alignment
The arms and legs can be shaped from Win plywood
A block, approximately 5-in square and 3ki-in high, repre sents the lifting weight Elastic tape or multiple rubber bands are stretched from the shoulder to die hip, along the hack of the spine blocks to represent the spine mus cles
A metal handle can be secured to the lower end of the hip block, as shown in the drawing
"Junior" can be mounted on a lx!2-tn board, 18 to 24-in long
This does not preclude the speaker's use of additional material or interpolating the printed text
As with other nonprojected visuals, the speaker adds personality and interest to the presentation The use of assistants may be justified for more dramatic effect Similarly, the "gradual reveal" technique can be used to uncover material just as it is presented
Flip charts are made on heavy paper that has little show-through, but has sufficient flexibility to flip back over the easel Show cards are on a stiffer stock and must be hand held, placed individually on an easel or chalk board tray, or spiral bound (oi notebook-nng bound) so that they can be flipped ovei For use on an easel, 2 ft wide by 3 ft high is an optimum size, for use on a desk top, 2 ft wide by 1/j ft high is optimum
Each sheet or card can have one to foui
Fig 14-12 --Model for demon strating correct lifting
illustrations, depending on how far the audi ence is away To help in making the presen tation, explanatory material can be placed on the back of each show card or chart for the instructor to read, or brief notes can be writ ten in lightly in blue pencil on the face of the card or flip chart Notes are wi itten small enough so that the instructor can read them, but yet they are "invisible" to anyone in the audience, if he is more than 6 or 7 ft away
Flannel boards
A flannel board is a plywood board, com monly 3 by 4 ft, covered with dark flannel A number of frames can be fastened together or placed close together to form multiples of the original size
Roll flannel can be tacked, tied, or other wise stretched over any large, flat, sbghtly inclined suifacc, including a chalk board Art
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