--------------------- is the ink metering roll in flexographic process and is made of either steel or ceramic materials.

A cylinder base design in which the supporting shaft is permanently attached to the printing cylinder 

The exposure done to harden or cure the base of the flexographic plates

Match List I with List II and select the correct answer using the codes given in below list :

Intaglio printing process refers to 

Specks of dust on the clear areas of the positive as on the contact frame glass causes