google_ad_client = “pub-0869915306601969″;
google_ad_channel = “5591275788″;
google_ad_width = 336;
google_ad_height = 280;
google_ad_format = “336×280_as”;
google_ad_type = “text”;
google_color_border = “FFFFFF”;
google_color_bg = “FFFFFF”;
google_color_link = “BE261E”;
google_color_text = “999999″;
google_color_url = “191919″;

If the operator in performing his or her function is under trained or over trained for the job?
Human is considered as an element in systems, the relationship of which is represented by human [...]