Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
研究開発所 kenkjuukaihacušo R & D centershigoto
広がる hirogaru šířit se, rozprostírat segodan, jlpt3, leda1, verb, vintrans
一次(の) ičidži(no) first/primary/linear (equation)/first-orderadj, leda1
子午前 šigozen poledníkleda1
~円 ~en yenjlpt5