roundrect 0 0 40 60 5 5
textcenter -10 12 P
label -10 32 ω
// pijl naar boven
//solidpen 255 0 0 0 
//moveto 20 0
//lineto 20 -20
//moveto 18 -12
//lineto 20 -20
//moveto 22 -12
//lineto 20 -20
//textcenter 25 -5 P
textcenter 50 35 dP
textcenter 50 40 ----
label 50 45 dω
textcenter 20 10 MPP
// axis
solidpen 0 0 255  0 
moveto 5 40
lineto 5 20
moveto 5 40
lineto 35 40
// power
solidpen 255 0 0 0 
moveto 5 40
lineto 27 25
lineto 28 25
lineto 29 26
lineto 30 27
lineto 34 35