Introductio ad Aluminium et Aluminium Alloy Materials Aluminium est maxime late distribuit et abundat metallum elementum in Telluris crustam, ratio pro circiter 7.3-8.3% de summa massa in crustam, secundo tantum ad oxygeni et Silicon; Aluminium inventa in primo 19th century et coepit habere productionem scale in mane 20th century; Difficile Aluminium Alloy was invented in mane 20th century et late usus est in Military Industry in World War I.