Əmərəd ən təsiɗawt ən adunya tan usine:
Əkoz haratan ən aduniyat tan usine:  - SS Great Eastern, amădal n amădal n amădal n Britania, eɣna daɣ awatay wan 1858 - Bell Rock Lighthouse, daɣ North Sea daɣ Angus, Scotland, ikna daɣ awatay wan 1810 - Brooklyn Bridge, daɣ New York City, New York, United States, eɣran i tikarsiwen daɣ awatay wan 1883 - Sistem wan cloaque wan Londre, eqqalan i Londre, England har amindi n awatay wan 1900 - Railroad wa ezzaran n transcontinental, iyaka n railway n 3,077 n kilometir eha rezo tan n railway daɣ Iowa, Nebraska, Wyoming, Utah, Nevada d California daɣ Amrik, iknan daɣ awatay wan 1869 - Canal wan Panama, abara n aman n 51 n kilometir (82 km) ezzaran daɣ Isthmus wan Panama tolas osaɣan atlantic d alɣalim wan Pacific, imda daɣ awatay wan 1914 - Hoover Dam, fal Colorado River, ilsanat alxadud jir Nevada d Arizona daɣ Amrik, iknan daɣ awatay wan 1936