41A343 · ladder

46C122 · wheelbarrow

47D8(CHISEL) · tools, aids, implements ~ crafts and industries: chisel

47D8(HAMMER) · tools, aids, implements ~ crafts and industries: hammer

47D8(PICKAXE) · tools, aids, implements ~ crafts and industries: pickaxe

47G1 · building-site

47G311 · mason at work

47G52 · stone ~ building material

47G6(PLUMB-LINE) · tools and machines ~ building: plumb-line

49D5112 · square (drawing-instrument)

86(IUDICO NON IUDICOR) · proverbs, sayings, etc. (IUDICO NON IUDICOR)