Fracking とは何ですか？無料クリップアートダウンロード

Many people are puzzled by the word 'fracking' so I've tried to explain it in very simple terms, avoiding technical terms and jargon. This is a controversial technology but I've tried hard to present both sides of the picture, without reference to my own personal opinions. The result is a mini-presentation including a graphic and explanatory panels - rather like a poster.