Historical clue formulations

• Woodworking machine — 2020-05-17
• Thickness-adjusting tool — 2018-11-10
• Power machine in woodworking — 2017-05-14
• Carpentry machine — 2009-08-29
• Power tool in woodworking — 2007-07-19
• Carpenter's machine — 1998-02-09
• Shaver — 1994-08-12