Amashubhu asetshenziswa ukulawula umphini imigqa tetinkhombamagama yokulinganisa tubing ngoba into yokuhamba ephephile uketshezi kanye amagesi phakathi izinqubo. Dextube uye walungiselela amashubhu for eziningi izinkampani Petrochemical ezinkulu kuhlanganise Petrobras, YPF futhi Tecnip nge ukubuyekeza ezinhle.