Nyob rau hauv cov nqe lus ntawm kev khiav hauj lwm, lub telescoping caj npab muaj meej tswj kev ua tau zoo, nrog du thiab khov kho txav, ua rau tus neeg teb xov tooj ua ntau yam haujlwm yooj yim thiab dawb. Nws tuaj yeem txuas ntxiv thiab thim rov qab sai sai, uas txhim kho kev ua haujlwm zoo.
Lub caj npab telescoping no kuj muaj peev xwm ua tau zoo heev, thiab tuaj yeem nqa tau yooj yim lossis txhawb nqa cov khoom hnyav dua, ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm kev ua haujlwm. Nyob rau tib lub sijhawm, nws qhov kev hloov pauv tau muaj zog heev, thiab nws tuaj yeem ua lub luag haujlwm tseem ceeb hauv ntau yam xws li kev tsim kho, kev thauj mus los, kev tsim kho thiab kev tsim choj, thiab muab kev txhawb zog rau ntau yam haujlwm engineering.
