Ko te nikotīni, e mohiotia ana ko te nikotīni, no te pāhare pyridine, ā, he kaha te pānga whaiaroaro ki te tangata. I te wa e kai paipa ana, ka uru ki te nui o te nicotine, ka whakahihiri i te sp...
Ko te paura o Boron nitride he rauemi whai kiko kua kitea whanuitia puta noa i nga momo ahumahi na ona taonga motuhake. E mohiotia ana mo te kaha o te wera wera, te hiko...