Nā ngā whakawhiti kōwhai loterei e tuku nei ētahi paihere matua e mahi ana hei hoa matua mō te ao kēmu. Tuatahi, ka tukuna e rātou ngā whakamahere raruraru e tiaki i te kore whakapae me te kore whakarerekē, ā, ka hangaia he maha o ngā pūnaha tuari kia kore ai te whakaputu hei whakatika. Ināianei, e āhei ana ngā whakamahere raruraru ki ngā huarere algoritama, ki ngā inu uirā, me ngā momo tohu paetahi hei tiaki i te tino tika o ngā kōwhai. Ko ngā pūtake hanganga he pai rawa, e āhei ana ki te hanga i te maha o ngā kōwhai, ahakoa te roa o te wā, me te whakauru pai ake o ngā pakirehua me ngā whakamahere raruraru. Ka mutu, ka whakatūhia he oranga pai rawa mo ngā kaiwhakahaere loterei. He maha ngā āheinga tūhono, e āhei ai ngā whakawhiti kōwhai ki te hanga i ngā horopaki kōwhai me ngā rite kēmu e huringa ana, ā, ka awhina i ngā kaiwhakahaere loterei ki te whakapiki i te hiahia o ngā kaitono me te whakapakiri i te nohonga moni. Ki te āhei o ngā take whakaaetanga, ka tiakina e ngā whakawhiti kōwhai ngā taumata katoa o ngā take whakaaetanga kēmu mō ngā whenua katoa. Nā rātou hoki ngā rangahau whakaaroaro e āhei ana ki te tirohia i te wā i hanga ai ngā kōwhai, i te tuku atu, me te whakatū mai. Ka whakamahi hoki rātou ki ngā whenua e pai ana i te taiao me ngā tikanga hanga whakatika, hei tiaki i te taiao me te whakaae hou ki ngā ture. Ka tuku hoki rātou ngā ratonga tautoko me ngā rongoā whakangana, hei āwhina i ngā kaiwhakahaere ki te whakapai i ō rātou raraunga ā-momo me ngā rautaki pārongo. Nā te whakatū tono i ngā rautaki rangahau me te whakamahere, ka whakatūria e ngā whakawhiti kōwhai te whakapai pai ake i ngā whakamahere raruraru me te hiahia o ngā kaitono, ā, ka noho kaha ai ngā mahi i roto i te ao kēmu e huri nei.