Educational science sets comprising batteries, scales, laboratory test tubes, beakers, electrical wires, electrical circuits, glass microscope slides containing samples of biological materials and chemical compounds and guide books sold as a unit for conducting experiments in the fields of physical science, chemistry, geology and biology

'batteri':5 'beaker':10 'biolog':21,45 'book':28 'chemic':24 'chemistri':42 'circuit':14 'compound':25 'compris':4 'conduct':34 'contain':18 'educ':1 'electr':11,13 'experi':35 'field':38 'geolog':43 'glass':15 'guid':27 'laboratori':7 'materi':22 'microscop':16 'physic':40 'sampl':19 'scale':6 'scienc':2,41 'set':3 'slide':17 'sold':29 'test':8 'tube':9 'unit':32 'wire':12

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