First frost date and late frost date

first frost date and latest frost date

Girst frost date and late frost date

onset date and end date

onset date and ending date

2-level maintenance

3 level maintenance tset

accelerate maintenance

accident maintenance

accidental maintenance

Active maintenance

active maintenance downtime

active maintenance time

active preventive maintenance time

Adaptive Maintenance

administration of maintenance equipment

afloat maintenance

after maintenance

agricultural machinery maintenance

Aircraft maintenance management