Litšitiso tse tloaelehileng holim'a phala ea tšepe e cheselitsoeng:

(1) tšepe e entsoeng ka lera
Lerako la tšepe la lerako le bolela hore karolo ea sefapano e arotsoe ka mekato e 'meli, bokaholimo ba tšepe bo pepesitsoeng bo bonts'ang mapetsong a holimo a holimo.Lipontšo tse ling tse ka hare le ka ntle tsa tšepe li kenngoe fatše kapa li phahamisitsoe sebakeng sa heno, tse entsoeng ka marang-rang tse phahamisitsoeng ka tšohanyetso, tse bohlasoa kapa tse hoholehang ho kena le ho tsoa ka har'a weld.
(2) lebadi le kgomarelang
Pipe sticky scary e bolela bokaholimo ba kahare le kantle ba leqeba le leholo la tšepe le khomarelang.
(3) masoba
Pipe ka lesoba e bolela sebaka sa tšepe se nang le li-tube tse teng.
(4) tjheseletso e bulehileng
Ho bula lipeipi tsa tšepe tse cheselitsoeng ho bolela ka mapetsong a malelele a litšepe kapa ho bonts'a ka mokhoa o sa fellang oa.
(5) Ho tjheseletsa lap sebakeng
Welded tšepe phala e bua ka karolo e itseng e ka ntle holim'a phala ea tšepe e fana ka karolo ea arc weld.
(6) Sekoti sa ho cheselletsa
Pipe welding groove ke bokaholimo bo ka ntle ba phala ea tšepe e hlaha ka tjheseletsa e telele ea groove.
(7) ho putlama ha tjheseletsa
Welded tšepe phala putlama e bua ka holim'a bokantle ba skeleton tšepe weld bontša ka foro e telele, moo holim'a metshetshe e e tsamaisanang convex.
(8) ho phunya manonyeletso a lipeipi
Tšepe tube kopanetsweng dislocation e bua ka tšepe phala tjheseletsa, etsahala ketsahalo ea staggered holimo le tlaase.