switch?�が?�詞?�し?�使?�れ?�場?�、物?�人?�元?�の位置?�状?�か?�新?�い?�の?�交?�さ?�る?�と?�示?�。具体的?�例?�以下に示す??Instructors won't ever get replaced by computer systems from the classroom. These steps by no means exchange the necessity for regular security checks.