Wheelchairs are devices that can be manually propelled or electrically propelled, and that include a seating system and are designed to be a substitute for the normal mobility that most people have.
wˈiːltʃɛɹz ɑːɹ dɪvˈaɪsᵻz ðæt kæn biː mˈænjuːəli pɹəpˈɛld ɔːɹ ᵻlˈɛktɹɪkli pɹəpˈɛld, ænd ðæt ɪŋklˈuːd ɐ sˈiːɾɪŋ sˈɪstəm ænd ɑːɹ dɪzˈaɪnd təbi ɐ sˈʌbstɪtˌuːt fɚðə nˈoːɹməl moʊbˈɪlᵻɾi ðæt mˈoʊst pˈiːpəl hˈæv.