solidpen 255 255 255 0
solidbrush 255 255 255
rectangle 0 -15 60 5
solidpen 0 0 0 0
*rectangle -5 2 65 38
label 20 -5 ω
label 40 -5 T
solidpen 128 128 128 5
moveto -20 20
lineto 80 20
solidpen 255 0 0 0
solidbrush 255 0 0 
ellipse 0 5 20 35
rectangle 10 5 50 35
solidbrush 128 0 0 
ellipse 40 5 60 35
solidpen 128 128 128 5
moveto 50 20
lineto 80 20
*
*roundrect 0 5 60 35 15 15
solidbrush 255 255 255
label 30 50 T=kω





solidpen 255 255 255 0
solidbrush 255 255 255
rectangle 0 -15 60 5
solidpen 0 0 0 0
rectangle -5 5 65 35
label 20 -5 ω
label 40 -5 T
solidpen 128 128 128 5
solidbrush 128 128 128
moveto -20 20
lineto 80 20
roundrect 0 10 60 30 5 5
label 30 20 T=kω ^2

solidpen 255 0 0 0
moveto 0 60
lineto 60 60
moveto 30 40
lineto 30 80

solidpen 128 128 128 5
moveto -20 20
lineto 80 20
solidpen 0 0 0 0
solidbrush 255 0 0 
rectangle 0 0 60 40
label 20 10 ω
label 40 10 T