Ipayipi lensimbi engagqwali liwuhlobo lweshubhu lensimbi eliyindilinga elingenalutho, elisetshenziswa kakhulu kumapayipi ezokuthutha ezimbonini afana ne-petroleum, imboni yamakhemikhali, ukwelashwa, ukudla, imboni yokukhanya, insimbi yomshini, njll., kanye nezingxenye zesakhiwo semishini.