1.b> 1) , ; the daily rotation of the earth on its axis ;
2) ; five rotations an hour ;
2.b> 1) , , ; ; rotation of players , ( i>);
2) .i> ( i>); in rotation , ; the committee is chaired by all the members in rotation / ;
3.b> .-.i> , / (.i> crop rotation, rotation of crops);
4.b> .i> .