Table 1.
The list of wooden artifacts for analysis of tool and using trace

Artifacts name No.
Combination material 19
Pillar 16
Unclear material 15
Bat 7
Cup 5
Long-leg Plate(Gobae) 5
Container 4
Plow(Gomurae) 4
Shield 3
Pointed product 3
Rounded product 3
Prop 2
Loom material 1
Armor 1
Armor frame 1
Plate(Wan) 1
Cap 1
Adze 1
Desk leg 1
Shovel 1
Wooden shoes 1
Chopping board 1
Rod 1
Total 97