Zirconium is an element that is commonly used as an opacifier and refractory, though it is used in other applications as well. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Wilika eso tale »
O Rhenium e dua na metali duatani sara ka dau duidui na kena ivakarau ka vakavuna me veiganiti ena vuqa na inaki nikua. E tiko kina na tiki cecere duadua ni dua vei ira na gacagaca ena teveli vagauna, ka sa tiko kina e dua vei ira na ivakatagedegede veivakasavasavataki cecere duadua. Ena vuku ni ka oqo, e dau vakayagataki wasoma ena… Wilika eso tale »
"*" vakaraitaka na lomanibai e gadrevi
"*" vakaraitaka na lomanibai e gadrevi