Vocabulary consisting only from characters you are able to read
放談
ほうだん
free talk, irresponsible talksuru
取り組む
とりくむ
to tackle/to wrestle with/to engage in a bout/to come to grips with/to make effort/to strive for/to deal with/(P)godan, leda1, verb, vintrans
2階
2かい
(1)storey/story/floor/(n) (2)stairs/(n,n-suf) (3)stage (in chronostratigraphy)/(ctr) (4)counter for storeys and floors of a building/(P); stairs; (n) stairs mix
観察
かんさつ
observation, surveysuru
帯
おび
(1)obi (kimono sash), (2)paper wrapper on books, CDs, etc.; band (e.g. conduction, valence), belt (e.g. Van-Allen, asteroid, etc.) fuku
積む
つむ
to pile up, to stack, to load (car, ship, etc.), to packgodan, jlpt3, verb
調整
ちょうせい
regulation, coordination, adjustment, tuning, modification, alterationsuru