Graduated glassware; laboratory chemical reactors; measuring glassware; laboratory equipment, namely, cupels; distillation apparatus for scientific purposes; flasks for laboratory use; stills for laboratory experiments; laboratory equipment, namely, crucibles; educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; apparatus and instruments for physics, namely, test weights, prisms for scientific purposes, ammeters, barometers and spectroscopes

'aid':37 'ammet':56 'apparatus':13,30,44 'baromet':57 'block':33 'chemic':4 'concept':43 'crucibl':28 'cupel':11 'distil':12 'educ':29 'equip':9,26 'experi':24 'flask':17 'glasswar':2,7 'graduat':1 'instrument':46 'laboratori':3,8,19,23,25 'manipul':32 'math':42 'measur':6 'name':10,27,31,49 'physic':48 'prism':52 'purpos':16,55 'reactor':5 'scientif':15,54 'spectroscop':59 'still':21 'teach':36 'test':50 'use':20,34 'visual':40 'weight':51

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