kea
Kel lâmina riba di patins di jelu mudernu ten un ponta duplu ku kavidadi kônkavu entri es. Kes dôs ponta ta pirmiti un midjor dumíniu na jélu, mésmu oras ki sta inklinadu.
eng
The blade on a modern ice skate has a double edge with a concave hollow between them. The two edges allow for a better grasp of the ice, even when tilted.