Physical component means Computer Hardware which you can touch and non Physical component means Software, which you can not touch. nonphysical component designed specially for physically component. like Microsoft company designed Software according the Hardware for example Microsoft windows 64 bit could not install on which 32 bit Architecture Hardware.
Answer:
The main objects of a head frame, or poppet head, are to support the winding pulley firmly and to guide the cage above the surface to the discharging stage.
