● Te kaha ki te whakawiri whaiaro, te hoahoa tuku a-ringa mo te ohorere kore hiko
● hanga-i roto i te whakakā rohe whakaū tika o te ventilation
● te potentiometer hanga-i roto i whakarite urupare tūnga pū
● tiaki waiariki o te nekeneke ārai mahi nekeneke overloading
● puhoi hurihanga nekeneke tere whakarite hau rere tika i roto i