Question: What is the blade made of in the hand plane associated with the National Historic Site city that has the highest consumption of yōkan in Japan ?

text: List of Historic Sites of Japan (Saga)
National Historic Sites
As of 1 August 2019 , twenty-five Sites have been designated as being of national significance ( including three *Special Historic Sites ) ; Kii Castle spans the prefectural borders with Fukuoka . [ 2 ] [ 3 ] [ 4 ]
This list is of the Historic Sites of Japan located within the Prefecture of Saga.
Site Municipality Comments Type Ref
* Yoshinogari Site 吉野ヶ里遺跡 Yoshinogari iseki Kanzaki , Yoshinogari fortified Yayoi-period settlement , the subject of extensive excavation from 1986 ; 2500 burials with ICP grave goods have been uncovered ; the site has been reconstructed on the basis of hypotheses drawn from the postholes ; now a National Government Park 1 [ 1 ]
* Nagoya Castle Site 名護屋城跡並陣跡 Nagoya-jō ato narabainijin ato Karatsu , Genkai begun in 1591 and completed five months later ; extends over 17 ha ; stone walls , earthworks , moats , gates and other buildings have been identified ; served as the base for Hideyoshi 's invasions of Korea between 1592 and 1598 ; focus of the Saga Prefectural Nagoya Castle Museum 2 [ 2 ]
* Kii Castle Site 基肄 ( 椽 ) 城 跡 Kii-jō ato Kiyama its construction in 665 under Baekje guidance , as the castle of Woyogi ( 椽 ) , is chronicled in Nihon Shoki ; formed part of a network of defences dating to the immediate aftermath of the Battle of Hakusukinoe in 663 to protect Dazaifu against the threat of invasion from the Korean peninsula by Silla - Tang forces ; the designation includes an area of Chikushino in Fukuoka Prefecture 2 [ 3 ]
Otsuboyama Kōgoishi おつぼ山神籠石 Otsuboyama kōgoishi Takeo earthworks stretching 1,866 m , with stone pillar bases and sluice gates ; there is a theory that construction was related to defeat at the Battle of Hakusukinoe in 663 1 [ 4 ]
Yasunagata Site 安永田遺跡 Yasunagata iseki Tosu Yayoi-period high-tech factory ( ハイテク工場 ) ; bronze-casting site , discovered in 1974 and extending over an area of 4,400 m , with five moulds for dōtaku ( bells ) and five for hoko ( spears ) ; traces of bronze found on the valley floor suggest this may have been the site of the smelting works 1 [ 5 ]
Yokotashimo Kofun 横田下古墳 Yokotashimo kofun Karatsu kofun or burial mound with red walls and three stone sarcophagi in which were found , in 1923 , bronze mirrors and cylinders , magatama ( comma-shaped beads ) , iron arrowheads , armour , and Haji ware 1 [ 6 ]
Kakiemon Kiln Site 柿右衛門窯跡 Kakiemon kama ato Arita double climbing kiln : A , with 12 firing chambers , a length of 42 metres , and an average incline of 11.5° ; and B , with 21 chambers , a length of 83 metres , and an average gradient of 13° ; saggars and kiln tools have also been recovered 6 [ 7 ]
Nabatake Site 菜畑遺跡 Nabatake iseki Karatsu acclaimed as Japan 's first paddy ; important for the understanding of the adoption of wet-rice technology , introduced from the continent ; focus of the Matsurokan exhibition hall 1 [ 8 ]
Mietsu Naval Dock Site 三重津海軍所 跡 Mietsu kaigunsho ato Saga inscribed on the UNESCO World Heritage List as one of the Sites of Japans Meiji Industrial Revolution : Iron and Steel , Shipbuilding and Coal Mining 2 [ 9 ]
Anegawa Castle Site 姉川城 跡 Anegawa-jō ato Kanzaki strategic site under Ryūzōji Takanobu but declined in importance after the unification of Kyūshū by Toyotomi Hideyoshi ; the site extends 600 metres E-W and 800 N-S , with related mansions , temples and shrines , and a complex network of moats 2 [ 10 ]
Katsuno Castle Chiku Clan Site 勝尾城 筑紫氏 遺跡 Katsuno-jō Chikushi-shi iseki Tosu fortified at the end of the fifteenth century ; attacked by the Shimazu clan in 1586 and later abandoned ; excavations from 1995 have revealed an extensive site with moats , earthworks , mansions for retainers , temples and shrines 2 [ 11 ]
Nishikuma Kofun 西隈古墳 Nishikuma kofun Saga C5 decorated kofun housing a large sarcophagus , with red pigmentation and incised decoration of triangles and circles 1 [ 12 ]
Taku Seibyō 多久聖廟 Taku Seibyō Taku a Neo-Confucian school was established by Taku Shigefumi ( 多久茂文 ) in 1699 ; the ICP temple dates to 1708 ; major repairs at the end of the Shōwa period were completed in 1990 4 [ 13 ]
Obukumayama Kōgoishi 帯隈山神籠石 Obukumayama kōgoishi Saga C7 fortifications discovered in 1941 , that extend for 2.4 km and include a gate 1 [ 14 ]
Ōkuma Shigenobu Former Residence 大隈重信旧宅 Ōkuma Shigenobu kyū-taku Saga birthplace in 1838 of the Meiji statesman and future prime minister ; dismantled for repairs in 1968 and open to the public alongside the Ōkuma Memorial Museum ( 大隈記念館 ) 8 [ 15 ]
Ōkawachi Nabeshima Kiln Site 大川内鍋島窯跡 Ōkawachi Nabeshima kama ato Imari the ceramic craft technique of Nabeshima iro ( overglaze ) is an Important Intangible Cultural Property 6 [ 16 ]
Taniguchi Kofun 谷口古墳 Taniguchi kofun Karatsu seventy-seven metre , keyhole-shaped kofun with two stone chambers , boat-shaped sarcophagi , and grave goods that include mirrors , stone combs , items made of iron , and haji ware , dated to the end of the fourth century 1 [ 17 ]
Chōshizuka Kofun 銚子塚古墳 Chōshizuka kofun Saga large early kofun , 98 metres long and dating to the second half of the fourth century 1 [ 18 ]
Tashiroōta Kofun 田代太田古墳 Tashiroōta kofun Tosu triple-chambered , 42 metre decorated kofun with red ochre , carbon black and green earth paintings of triangles , concentric circles , boats , humans with outstretched arms , and figures on horseback , concentrated on the rear wall of the burial chamber 1 [ 19 ]
Habu Site 土生遺跡 Habu iseki Ogi Yayoi settlement discovered in 1971 during works to remedy environmental damage caused by mining ; evidence uncovered of houses ( some now reconstructed ) , storage pits , and wells , along with the first mould for a yari ganna ( spear-plane ) , tools of stone and wood , and ceramics 1 [ 20 ]