1 Don't add bottles to water that is already boiling. 2  The shock from the heat could cause the glass to break. 3  Don't let the bottles boil for more than 5 minutes. 4  This is a sufficient amount of time to sterilize them. If you have too many bottles to fit in your pot, you can sterilize your bottles in batches. 2  You can add the lids and nipples to the pot with the bottles. 3  Don't add bottles to water that is already boiling. 4  The shock from the heat could cause the glass to break.
The Nile crocodile is the largest crocodilian in Africa and is the second-largest crocodilian after the saltwater crocodile. The male crocodile usually measure from 3.5 to 5 m (11 ft 6 in to 16 ft 5 in) long, but very old, mature ones can grow to 5.5 m (18 ft 1 in) or more.he Nile crocodile is one of the most dangerous species of crocodile and is responsible for hundreds of deaths of humans every year. It is a rather common species of crocodile and is not endangered.
The saltwater crocodile (Crocodylus porosus), also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea-going crocodile or informally as saltie, is the largest of all living reptiles, as well as the largest terrestrial and riparian predator in the world.