Ụlọ Two Sails bụ ụlọ dị n'akụkụ oke osimiri nke e mere maka ezinụlọ ọgbọ abụọ. Ụlọ osisi ahụ nwere okpukpu abụọ dị na Okayama, Japan, nwere mpaghara owuwu nke square mita 250 n'elu ala nwere square mita 800. Ụdị elu ụlọ ahụ na-echetara ụgbọ mmiri nwere akwa ọkọlọtọ, ọ na-enyekwa aka ịdọbata ìhè okike na ikuku oke osimiri n'ime ụlọ. E kewara ebe obibi ụzọ abụọ, mpaghara ugwu na mpaghara ndịda, ka ọgbọ ọ bụla nwee nzuzo nke ya. Ụzọ mgbatị nwere mkpuchi elu na-ejikọta mpaghara abụọ ahụ ma na-enye ohere ịgagharị ọbụna n'ụbọchị mmiri ozuzo. E ji ígwè siri ike na-eguzogide nchara sitere na ikuku oke osimiri kpuchie ahụ mgbidi ndị dị n'èzí.

Aha oru ngo : Two Sails, Aha ndị na-emepụta ya : Yukihiro Nakagawa, Aha onye ahịa : MASTER CRAFT Co.Ltd.

Mgbe ụfọdụ ị ga - achọ ndị otu nnukwu ihe ngosi nka nwere ịchepụta ihe dị oke mma. Kwa ,bọchị, anyị na-ewepụta otu egwuregwu pụrụ iche na -enweta ihe okike na otu okike. Choputa ma choputa ihe okike na ihe okike zuru oke, ezigbo ihe ejiji, ejiji, eserese di iche-iche na atumatu atumatu atumatu ndi otu n’uwa n’uwa. Nwee ike mmụọ nsọ site na ọrụ mbụ site n'aka ndị omenkà ukwu.