A __________ mark is sometimes called a nonprinting
character
because it can be displayed on the screen but is not visible on
a
printed document.
View page
Screen printed means printed with ink and tackle twill is the
higher-end sewn on material like the pros use. This would mean the
graphics or designs for each.
View page
If you want to buy screen printed t-shirts with custom design on
them there are lots of sites online you can go to. Examples of
these are Vistaprint and Spread Shirt.