"(F) Any other factors determined by the Secretary to be relevant to the safety of pipeline facilities.". (b) INSTRUMENTED INTERNAL INSPECTION DEVICES.—Section 3 of
」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」＜第２章　物質の構成粒子＞（教p19-）