Using B737 model only
To supplier, they can have strong relationship which can help for buying or other business negociations.
To reduce maintenance cost and training cost.
They can have high information about B737 and can use it efficiently through the experiment.
Using secondary airport
Using hub airport is very expensive and spend more time to wait.
So Southwest airl
2.1 Sourcing
Local & Season
Environmentally Positive Farming
Ethnic Meat & Daily
Sustainable Fish
Fair Trade : Fair trade or Rainforest Alliance Fruit Juice and Fruit,….
2.2 Environmental
Supply Chain : Asking suppliers for written statements about their environmental, social, and ethical policies, etc.
Energy Efficiency
Water Saving
Waste Management : Waste Red