Text: system audio offers you a 7 year factory warranty, commencing from the date of purchase on your receipt.

Correct capitalization: System Audio offers you a 7 year factory warranty, commencing from the date of purchase on your receipt.

Text: weather in sines, pt (weather station)

Correct capitalization: Weather in Sines, PT (Weather Station)

Text: this poster from france dates back to around 1900 and is still used in retro campaigns today.

Correct capitalization: This poster from France dates back to around 1900 and is still used in retro campaigns today.

Text: ozokerite, lignite wax or peat wax "natural products", whether or not coloured (excl. crude)

Correct capitalization:
Ozokerite, lignite wax or peat wax "natural products", whether or not coloured (excl. crude)