Light is a form of energy. .
I seldom light a candle. .
5. . + + ( ..) , . , .
, :
cane ; cane sugar ;
sugar ; sugar cane ;
machine-building industry
; . . , , , ( ) , :
export grain ( );
grain export
6. , . . to get, to be, to make, to go, to put .
. , :
to go ; to go on
7. :
raw materials ;
radio operator ;
construction
3-, 4- - : an iron and steel mill .
8. . :
characteristics ;
efficiency ;
necessities ;
output ;
solid
to average , ;
mainly (chiefly)
9. - . , .
, , .
. , , , , , . : reduction , (.), (.), (.). . , , .