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 Serengeti National Park is a Tanzanian national park in the Serengeti ecosystem in the Mara and Simiyu regions. It is famous for its annual migration of over 1.5 million white bearded (or brindled) wildebeest and 250,000 zebra and for its numerous Nile crocodile.