Description
Universal 2-input NOR gate module with red/green LED outputs and a printed truth table
this animal cell meiosis model reveals chromosome pairing
and torsional balance
and reproductive glands across a unified anatomical display
14-Piece Stainless Steel Slotted Mass Set Subcategory_Scales and Balances Universal 2-input NOR gate moduleRacked display of fourteen precision machined stainless steel slotted masses totaling 1110 grams from 1 to 100 gram pieces, organized for classroom physics investigations in mechanics.
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