Evaluation of expert skills in refinery patrol inspection: visual attention and head positioning behavior oleh Ryota Takamido, Satoya Kurihara, Yasushi Umeda, Hajime Asama, Seiji Kasahara, Yuichi Tanaka, Seigo Fukumoto, Toshiya Kato, Masahiro Korenaga, Misaki Hoshi, Jun Ota