Likhalase tsa letsatsi li entsoe ka thepa ea polasetiki ea theknoloji e phahameng, e matlafatsang ponahalo le likarolo tse tharo tsa ponahalo, 'me e hlahisa boikutlo bo botle le botho bo ikhethang ba basali. Sebopeho sa tšepe se entsoe ka alloy e phahameng ea nickel, e khetholloang ke elasticity e ntle, boima bo phahameng, ntlha e tiileng ea welding, e tšoarellang hantle, le mohala o mosesaane oa foreimi, o loketseng mokhoa ona.
Likhalase tsena tse entsoeng ka hloko li hlahisoa ho uena ka botšepehi, 'me ka bokhoni ba ho etsa mabenyane a khethehileng, pokello ena ea liaparo tse ntle tsa mahlo e fuoa mokhoa oa bokhabane.