(machine's) durability

(music) a sharp (sign for a sharp note on the staff) / Clipping of シャープペンシル (shāpu penshiru, “mechanical pencil”).

both / old Japanese coin / two / counter for carriages

上手: (sumo) an overhand hold; (sumo) the upper hand in an overhand hold; upstream, the upstream portion of a river; upwind; a skilled player of games, such as go or shogi