The word Aparatuses is misspelled against Apparatuses, which is plural of "Apparatus"
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Apparatuses has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings a & aratuses which should not be misspelled with single 'P'
Wrong Spelling:  a-p-aratuses 
Correct Spelling:  a-pp-aratuses 
Check more misspelled words of Apparatuses to spell it correct.