UPVC windows are cleaned with water and vinegar mixed in a sprayer. Jupiterimages/BananaStock/Getty Images. Unplasticized polyvinyl choloride, or UPVC, is a rigid and chemically resistant plastic used often in window and door frames.
Clutch size: 35-50 eggs. In April or May, the female crocodile will build a nest of loose dirt in a mound by the water's edge and lay her eggs. She buries the eggs and fiercely guards her nest. When the eggs hatch in July or early August, the female helps carry her young to the water.
Itâs in the budgieâs nature to lay eggs but rather unusual when they are kept in a cage. Experts from Maxi Zoo explain how this comes about and what you can do about an egg-laying compulsion. Budgies living in the wild have no fixed breeding season in their Australian homeland.