Translations
Position the grating below the altar's rim so that it sits at the altar's midpoint.
Set it beneath the ledge of the altar, from below, so that the network reaches halfway up the altar.
And thou shalt put it under the compass of the altar beneath, that the net may be even to the midst of the altar.
Set the grate beneath the ledge of the altar, so that the mesh comes halfway up the altar.

