architect holding pencil working with laptop and blueprints for architectural plan - 三角尺 測量工具 個影片檔及 b 捲影像00:36
architect holding pencil working with laptop and blueprints for architectural plan, zoom in - 三角尺 測量工具 個影片檔及 b 捲影像00:33
woman fashion designer creates a sewing pattern in her home studio, demonstrating skill and creative process - 三角尺 測量工具 個影片檔及 b 捲影像00:15
focused woman drawing fashion patterns on kraft paper for clothing design - 三角尺 測量工具 個影片檔及 b 捲影像00:16
measuring and checking the depth of a mortice joint in this case 60 mm in a 5x7" oak soleplate - 三角尺 測量工具 個影片檔及 b 捲影像00:10
young mom is calling at home to contact work, while son is playing nearby - 三角尺 測量工具 個影片檔及 b 捲影像00:19
college design technology lecturer demonstrating how to use a pair of compasses - 三角尺 測量工具 個影片檔及 b 捲影像00:12
eli whitney - part 22 of 31. dramatizes eli whitney's invention of the cotton gin which bolstered the economy of the south, and his experiments in the design and manufacture of muskets, which subsequently provided the technical basis for mass production - 三角尺 測量工具 個影片檔及 b 捲影像00:28
