所有使用过的鹰架应妥善保管，参照工程标准PV 3.4，鹰架的检查，保养和存放。
All scaffold used should be stored properly per Engineering Standard PV3.4 Scaffolds Inspection, Maintenance, and Storage.
确保客房整洁并与酒店标准一致，保养、供需品和环境都保持高品质。
Ensuring the guest room standards with regards to cleanliness, maintenance, supply and ambience are consistently maintained at a very high level.
有维修和保养飞机的规定和标准。
There are regulations and standards for repairing and maintaining the aircraft.
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