(monarchy) the first year of a calendar era, especially an East Asian imperial reign

the Heisei period (Japanese era that began on 8 January 1989 and ended on 30 April 2019)

曳船: tugboat

兵制: a military system / 兵勢: military force, military strength / 幣制: a monetary or currency system / 平正: fair and correct / 平生: completely usual, ordinary / 平静: serenity, tranquility, peace

平成: the Japanese era under Emperor Akihito (1989–2019)

緯線: parallel (line of latitude)

指定席: reserved seat

衛生: hygiene, sanitary, health / 衛星: (astronomy) satellite / 永世: eternity, permanence, perpetuity, immortality / 永逝: death, demise

遺跡: remains

線形性: linearity