Petroleum Dictionary

version 3.6:
- adding more than 500 new terms to the database

version 3.5:
- NEW LOOK!
- adding more than 130 new terms(for letter S) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 3.4:
- adding more than 110 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.7:
- fix some bugs

version 3.6:
- adding more than 500 new terms to the database

version 3.5:
- NEW LOOK!
- adding more than 130 new terms(for letter S) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 3.4:
- adding more than 110 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.6:
- adding more than 500 new terms to the database

version 3.5:
- NEW LOOK!
- adding more than 130 new terms(for letter S) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 3.4:
- adding more than 110 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.5:
- NEW LOOK!
- adding more than 130 new terms(for letter S) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 3.4:
- adding more than 110 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.4:
- adding more than 110 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.1:
- adding more than 100 new terms(for letter S) to the database

version 3.3:
- adding 100 new terms(for letter S) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.1:
- adding more than 100 new terms(for letter S) to the database

version 3.0:
- adding more than 400 new terms(for letter R) to the database

version 3.2:
- adding 125 new terms(for letter S) to the database

version 3.1:
- adding more than 100 new terms(for letter S) to the database

version 3.0:
- adding more than 400 new terms(for letter R) to the database

version 2.9:
- adding more than 70 new terms(for letter Q) to the database

version 3.1:
- adding more than 100 new terms(for letter S) to the database

version 3.0:
- adding more than 400 new terms(for letter R) to the database

version 2.9:
- adding more than 70 new terms(for letter Q) to the database

version 3.1:
- adding more than 100 new terms(for letter S) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 3.0:
- adding more than 400 new terms(for letter R) to the database

version 2.9:
- adding more than 70 new terms(for letter Q) to the database

version 3.0:
- adding more than 400 new terms(for letter R) to the database
- stay tuned for the next update, more terms will be added to the dictionary.

version 2.9:
- adding more than 70 new terms(for letter Q) to the database
- stay tuned for the next update, more terms will be added to the dictionary every week.

version 2.9:
- adding more than 70 new terms(for letter Q) to the database
- stay tuned for the next update, more terms will be added to the dictionary every week.

version 2.8:
- adding more than 630 new terms(for letter P) to the database

version 2.7:
- adding more than 270 new terms(for letter O) to the database