333 Koboku ni yoru Mukashi no Waku to Hashira[Support Units and Pillars Made of Mine Timber]

Words from Top Right to Bottom Left
Kirigumi Gassho-waku Ichimei Kazari-waku: Arched or Decorative Frames (Herringbone-system Support Units)
Kono shu no waku wa atta to yu made no koto de aru: Frames of this kind were rarely used.
Kagume-waku: Main Frame Supporting Some Half Sets
Makitate nado shisen-guchi ni ireru: This frame was used at entry ways to turnouts etc.
sashibari: sprag; stretcher
hari (kamoi): crossbeam
wakuashi: frame leg
Myoto-waku: Coupled Frames
Hiroi tenjo no warui tokoro ni ireru fukusen kodo nado: These frames were built in slopes with weak roofs, such as those with double-track railroads.
kamisashi: wooden wedge
waku-yo: for frames
hashira-yo: for pillars
Ninawase: Prop and Strap System Frame
Kiriha kairo ni ireru: These frames were used to support haulage ways leading to coalfaces.
Kamisashi o tsukawanu: No wooden wedges were used with it.
Sashikomi-waku: Insert Frame
Masa-bashira: Normal Pillar
Kiriha: coalface
Tombo: Dragonfly-like Pillar
Bozu-bashira: Unwedged Pillar
Saka-bashira: Unwedged Topside-up Pillar (pillar stood on its bigger end)
Tanuki-bashira to mo iu: The saka-bashira is also called a “tanuki-bashira (raccoon dog pillar).”
Yamabito ga kirau bozu-bashira to tanuki-bashira: These are a bozu-bashira and a tanuki-bashira which were hated by miners.
Hon-waku: Normal Frame
ebijiri: cutout of a beam end
agoshita: part below the cutout of the top of a pillar
wakugama: hitch; hole for inserting the foot of a pillar
Yaita kamisashi ga jozuni kezureru to ichinin-mae no shikurikata de aru:
A worker was called a full-fledged repairer when he/she became able to quickly make a good wooden wedge called a yaita or kamisashi.
Tattoo on the Repairer’s Right Upper Arm
dairiki: great power