1.b> , ; ; improper food / ; improper speech i> ; wood improper for carving / ;
2.b> 1) ; ; improper treatment of a disease ; to make improper use of one's time ;
2) .i> , ; ( i>);
3.b> , , ; improper conduct / behaviour / / ; improper language ; improper word / ;
4.b> = improper fractionr>.