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.
Female turtles will start to lay eggs when they are mature. They will lay eggs with or without a male present. If there is no male present, the eggs will not be fertile and can be discarded. After mating, a female may be able to lay fertile eggs for a few weeks or perhaps longer.As eggs develop inside a female, her appetite will wane. She may fast for the few weeks before eggs are laid.hey will lay eggs with or without a male present. If there is no male present, the eggs will not be fertile and can be discarded. After mating, a female may be able to lay fertile eggs for a few weeks or perhaps longer. As eggs develop inside a female, her appetite will wane.