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.
Budgie Nest. Budgerigar parakeets mated, and the female begins to lay eggs. For this, you need a budgie nest. During breeding, we can see a greater affection of the two budgerigars. They are in love, and the female can lay up to 10 eggs.udgie Nest. Budgerigar parakeets mated, and the female begins to lay eggs. For this, you need a budgie nest. During breeding, we can see a greater affection of the two budgerigars. They are in love, and the female can lay up to 10 eggs.