Nqus tsev txheej tshuab muaj siab - tech tech dav siv nyob rau hauv cov khoom siv hluav taws xob, cov tshuab, tshuab thiab lwm daim teb. Lawv feem ntau yog siv los ua ib zaj duab xis nyias nyias nyob rau saum npoo ntawm ntau yam ntaub ntawv. Nws cov kev siv feem ntau suav nrog cov hauv qab no:
1. Cov khoom lag luam hluav taws xob: cov khoom siv yas los txhim kho cov hnav tsis kam, corrosion tsis kam thiab rwb thaiv tsev ua haujlwm ntawm cov khoom;
2. Kev tiv thaiv cov photoelectric: Tiv thaiv photodies, lub teeb {{} em} em} em} em} em} em} em} em} em} em} em} em} em} em} em} em} em} etc. kom zam dhau ntawm hmoov av thiab roj nyob rau hauv ib puag ncig ntawm cov khoom siv;
3. Tshuab Tool Kev Kho Mob: Kev Kho Mob Li Qub Rau Cov Cuab Yeej Cuab Yeej Siv, tho cov khoom thiab lwm yam yooj yim npog lub neej;
4. Lwm cov ntawv thov tshwj xeeb, xws li anti {{1 xi}}} corrosion nyob rau hauv Aerospace teb, tseem yuav tsum tau nqus txheej thev naus laus zis.
