% produced by fig2vect
prologues:=0;
labeloffset:=0;bbmargin:=0;
beginfig(0)
% 14
path p;
p = (0.0,0.0)
--(72.0,0.0)
--(72.0,18.0)
--(0.0,18.0)
--cycle;
% 10
path p;
p = (9.45,9.0)
--(62.55,9.0);
color c;
c = (0,0,0);
linecap:=0;
linejoin:=0;
pickup pencircle scaled 0.9;
draw p withcolor c;
path a;
ahangle:=28.07;
ahlength:=7.2;
a = arrowhead p;
linejoin:=2;
fill a withcolor c;
draw a withcolor c;
path a;
a = arrowhead (reverse p);
fill a withcolor white;
draw a withcolor c;
endfig;
end