Kev tu:
- Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua yog qhov tseem ceeb los xyuas kom meej qhov ua tau zoo thiab kev nyab xeeb.
- Txheeb xyuas cov kua dej hydraulic thiab qhov zoo tsis tu ncua.
- Tshawb xyuas cov brake pads thiab thrusters rau hnav thiab hloov raws li qhov tsim nyog.
- Xyuas kom tag nrho cov ntsaws ruaj ruaj thiab cov kev sib txuas tsis zoo los tiv thaiv kev xau.
