About TANAKA YOSHIFUMI
About 建築設備と配管工事
About eyeglasses
About input output unit
About hand-held type
About positioning
About survey marker
About control point
About coordinate
About measurement data
About prediction error
About speech signal
About labor productivity
About demonstration experiment
About new product
About building work
About wearable terminal
About marking
About Surveying instruments
About 眼鏡型ウェアラブル端末
About 墨出し
About 測量