Or uh it could be like this  the P_C_B_ would be the same for all , but only the exterior uh shape is different o for all.
Mm.
Uh well but it's a bit complicated to  if if if you need machines to  different machines to um ah well
Yeah. What we can change is to propose the  customers with skins. For example the i the mobile phones nowaday , they sell different kinds of skin