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.
5. Black Mamba â. Black Mamba is the longest snake in Africa, reaching up to 4.5 meters in length. It is also the fastest snake in the world, capable of travelling a distance of 20 km in less than an hour.This deadliest snake has got its name not from its skin color but from the black color of the inside of its mouth.. Black Mamba â. Black Mamba is the longest snake in Africa, reaching up to 4.5 meters in length. It is also the fastest snake in the world, capable of travelling a distance of 20 km in less than an hour.