Inkoni yo muri Polonye ni ubwoko bwihariye bwo guswera buhujwe no guswera hamwe na beam hanger. Ari hejuru yinkoni yonsa, ikeneye kwihanganira imbaraga nyinshi, kuburyo hamwe na diameter nini nicyiciro cyo hejuru cyicyuma kirenze inkoni yonsa, kandi hejuru haroroshye cyane.