アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
圧搾器[assakuki] compression
圧力調整器[atsuryokuchouseiki] pressure regulator
安全器[anzenki] safety device
安定器[anteiki] stabilizer

医療器械[iryoukikai] medical appliances
育雛器[ikusuuki] breeder
化学兵器[kagakuheiki] chemical weapons
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
加減抵抗器[kagenteikouki] rheostat

火縄銃[hinawajuu] matchlock
機関銃[kikanjuu] machine gun
軽機関銃[keikikanjuu] light machine gun
拳銃[kenjuu] pistol
元込め銃[motogomejuu] breechloader

叉銃[sajuu] stacked arms
催涙銃[sairuijuu] tear-gas gun
霰弾銃[sandanjuu] shotgun
自動小銃[jidoushoujuu] automatic rifle
重機関銃[juukikanjuu] heavy machine gun