เลขเด็ด บันดาลโชค 3 ตัวบนและ 2 ตัวล่าง งวด 16-04-2562 เลขเด็ดหวย100%
Carefully inspect all hydraulic hose and fittings at regular intervals to ensure airworthiness. Investigate any evidence of fluid loss or leaks. Check metal tubes for leaks, loose anchorage, scratches, kinks, or other damage. Inspect fittings and connections for leakage, looseness, cracks, burrs, or other damage.
from: http://ezinearticles.com/?Aircraft-Hydraulic-Hose-and-Hydraulic-Hose-Fittings&id=3074971
