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 greenhouse  design and construction
 line 1  NFT channels               
 line 2  barrel bottom growbeds
 line 3  rectangular growbeds
 line 4  floating rafts
 line 5  nursery

first rib used as a jig to weld all other ribs at the exact same angle

disk grinder set at an angle

 

greenhouse rib welded together at preset angle

double sided tape glued to framecentral part consisting of custom made alu ladders serves as support for the ribs