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About ptaff.ca
Spheres

Our suggestions

Well-thought articles for question-digging readers.

Elaboration of our reflexions

Well-thought articles for question-digging readers.

 
Charts and tables showing the canadian climate; records and averages all-year round

Canadian weather records

Charts and tables showing the canadian climate; records and averages all-year round

 
History, development and advantages of the SVG format.

Ambitious about your image scale? Try the SVG format

History, development and advantages of the SVG format.