Gayunman, umiiral pa rin ito at mababasa pa nga, kahit ang bahagi lamang nito, sa mahigit na 2,000 wika.
zirconium metal and alloys in the form of tubes or assemblies of tubes in which the ratio of hafnium to zirconium is less than #:# parts by weight, specially designed or prepared for use in a nuclear reactorjw2019 jw2019