Veganlar günlük yaşamlarında, hayvansal ürünler, ya da yan ürünler kullanmazlar.
- Vegans do not use animal products, or by-products, in their everyday lives.
The many Indian restaurants all over Britain are a by-product of the large waves of immigration from the subcontinent.
... I don't think the articles are our main product. ...
... the most important waste product in the history of the world, ...