What's Poland's main industry?

Travel Info
I need it for my school prodect on Poland.

Travel Tips

Like many countries, the largest "industry" is agriculture.

However, whilst Polish farming employs a whopping 27.5% of the work force it contributes only a miserable 3.8% to the gross domestic product (GDP) due to poor productivity.

Others
immigration
Exporting plumbers to the UK
export to uk,labour
Sexual Assault it would seem from reading the Metro...
exporting sex slaves to the u.k and manufacturing bad hairdo's
Exporting people to Britain. Most of the people in my part of North London are Polish! This is because Poland doesn't have much of it's Communist era heavy industry left - it's closed down leading to high unemployment.