He tohunga, he kaimahi whai hua tā mātou inaianei hei whakarato i te kamupene kounga pai mō ā mātou kaihoko. E whai ana mātou i te kaupapa matua o te aro ki te kaihoko, te arotahi ki ngā taipitopito mō te utu whaitake mō te kounga teitei o te parakore o te 99.9% Ethanol 95% Ethanol Utu CAS 64-17-5, E tino whakahīhī ana mātou ki te ingoa pai o ā mātou kaihoko mō te kounga pono o ā mātou hua.
He tohunga, he kaimahi whai hua ā mātou inaianei hei whakarato kamupene kounga pai mā ā mātou kaihoko. Ko te tikanga, e whai ana mātou i te kaupapa o te aro ki te kaihoko, te arotahi ki ngā taipitopito. Mena kāore koe i te tino mōhio ki te hua hei whiriwhiri, kaua e mangere ki te whakapiri mai ki a mātou, ā, ka koa mātou ki te tuku tohutohu me te āwhina i a koe. Mā tēnei ka whakaratohia e mātou ki a koe ngā mōhiotanga katoa e hiahiatia ana hei whakatau i te kōwhiringa pai rawa atu. E whai pū ana tā mātou kamupene i te kaupapa here whakahaere "Kia ora mā te kounga pai, kia whanake mā te pupuri i te nama pai". Nau mai haere mai ki ngā kiritaki katoa, tawhito, me ngā kiritaki hou, ki te toro mai ki tā mātou kamupene, ki te kōrero mō te pakihi. Kei te rapu mātou i ētahi atu kiritaki hei waihanga i te heke mai whakahīhī.

Pātai: Me pēhea te Hoahoa i tētahi Whakamātautau hei Manatoko i Tēnei?
Mā te whakataurite ki te tauhohenga o te konutai (Na) me te wai:H−O−H⇌H++OH−C2​H5​−O−H→?
Whakaaturanga: Tauhohenga o te Konutai me te Etanoru Korewai
Ngā kitenga
Ka puta te hau i roto i te ngongo whakamātautau, ā, he mura te hau. Ka puta he pata wai ki te pakitara o roto o te ipukara, engari kāore te wai kotakota mārama e whakaatu ana i te pōuri.
Whakamutunga
Ko te hau e puta mai ana ko te hauwai (H2).