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 black mamba (Dendroaspis polylepis) is a venomous snake endemic to sub-Saharan Africa.It takes its common name not from the colour of its scales, but from the interior of its mouth, which is inky-black.It is the longest species of venomous snake on the African continent, with a length typically ranging from 2 meters (6.6 ft) to 3 meters (9.8 ft) and up to 4.3 to 4.5 meters (14.1 to 14.8 ft).dult black mambas have few predators in the wild. The venom of the black mamba is highly toxic, potentially causing collapse in humans within 45 minutes or less. Without effective antivenom therapy, death typically occurs in 7â15 hours.