Please capitalize where necessary: this water very often has an unpleasant odour.
A: This water very often has an unpleasant odour.

Please capitalize where necessary: organic gluten-free buckwheat crackers, the brand: le_pain_des_ fleurs. buy in online shop: more gluten-free lactose-free wheat-free diet food. cheap shipping to foreign countries.
A: Organic gluten-free buckwheat crackers, the brand: Le_pain_des_ Fleurs. Buy in online shop: More gluten-free lactose-free wheat-free diet food. Cheap shipping to foreign countries.

Please capitalize where necessary: often in the background - but always indispensable.
A: Often in the background - but always indispensable.

Please capitalize where necessary: royal copenhagen figurine weasel couple
A:
Royal Copenhagen Figurine Weasel couple