The spelling of the word "more tailing" can be explained using IPA phonetic transcription. The first syllable "more" is pronounced as /mɔː/, while the second syllable "tailing" is pronounced as /ˈteɪlɪŋ/. The word "tailing" refers to the residue material remaining after the process of extracting metals. Thus, "more tailing" likely means an increased amount of such residue material. The correct spelling of this word is important for clear and effective communication about mining and extraction processes.