1970s Hands only of a draftsman working on house elevation with mechanical pencil scale ruler straight edge and compass.
navigator charting first voyage to 90 degrees north, 0 degrees latitude, icebreaker yamal, arctic ocean - 鉛芯筆 個照片及圖片檔破冰船
top view of group of school or office supplies on blue background. copy space for text and/or logo - 鉛芯筆 個照片及圖片檔
top view of group of school or office supplies on blue background. copy space for text and/or logo - 鉛芯筆 個照片及圖片檔
top view of group of school or office supplies on blue background. copy space for text and/or logo - 鉛芯筆 個照片及圖片檔
top view of group of school or office supplies on blue background. copy space for text and/or logo - 鉛芯筆 個照片及圖片檔