For taking away the humidity material drying procedure is achieved. Evolution of roof variety, particularly, solar cycle drier kayak drier solar tunnel drier, and greenhouse sprays length research workers have learned greenhouse drier. Inside this newspaper drier below convection variety and convection sort have been all studied. Greenhouse drier provides rather large excellent product compared to sun drying that is open plus the harvest declines are reduced by it. It's been discovered that the use of rainwater drier below convection lessens moisture material in addition to drying speed is rapid and comparative humidity is significantly less than convection manner.