----------- occurs when the centre of mass of a roller does not match the rotational axis imposed by its supporting bearings.

In screen printing, the basic optimum exposure time is 4 minutes at a lamp distance of I meter and if the distance is increased to 2 meters. Calculate the new exposure time.

The printing process that produces an image by transfering individual drops of ink from an opening through airgap to a printing surface

----------- is a term used to describe the jagger edges which are sometimes produced in prints that are made from direct stencils.

On-contact printing in screen printing process is done with 

In double twill weaving structure in screen fabric, each thread