The word agriculture is a late Middle English adaptation of Latin agricultÅ«ra, from ager, field, and cultÅ«ra,  cultivation  or growing. Agriculture usually refers to human activities, although it is also observed in certain species of ant, termite and ambrosia beetle.ntil the Industrial Revolution, the vast majority of the human population labored in agriculture. Pre-industrial agriculture was typically subsistence agriculture / self-sufficiency in which farmers raised most of their crops for their own consumption instead of cash crops for trade.
Part of the Multimedia and graphics glossary: Screen printing, also known as serigraphy, is a method of creating an image on paper, fabric or some other object by pressing ink through a screen with areas blocked off by a stencil.
How Silk Screen Printing Works. While silkscreening is a type of printing, the silk printing press machine used is not quite like the printer you're thinking of. As you might guess, screens are key to the silk screen printing method. Much like an art canvas, the screen or mesh is stretched very tightly over a frame.Traditionally screen printing was done with screens made out of silk (hence the name) but today polyester screens are more common since they often cost less.nce you choose the type of silkscreening press you want to use, do not interchange the type of ink. The result may resemble âjelloâ in its worst form. As for options within each ink classification, all of these machines usually rely upon Epson inkjet print heads.