What type of levers is on playground?, Class 1, Class 2, Class 3, Class 4, What type of fruit is the name of the cam-type gear?, 🍎, 🍍, 🍐, 🍌, Thanks this type of machines you can drive a car., wheel & axle, lever, screw, Inclined planed, What is it?, wedge, ramp, What type of mechanism miss in this bike?, engine, chain and sprocket, rack and pinion, pineapple, What type of mechanism was used in steam trains?, cucumber, pulley system, worm gear, linkage, What is it, telephone, sink, tap, shower, Basic material to build city square in Poland?, concrete, grass, wood, steel, What type of thread is it?, inch thread, metrical thread, What component is responsible for moving?, spring, lever, screw, horse, Select when is wheel and axels, Materials which are higly conductive?, cooper, rubber, gold, TPU, Select wrong answers. Where is linkage?, Which picture contains pulley mechanism?, Select snail cam., What kind of linkage is it?, bell-crank linkage, paraller-motion linkage, reverse-motion linkage, treadle linkage, motion linkage, pineapple, Which tool has wedge?, What is it?, stapler, punch, tape knife, guillotine

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