Bone char (Latin: carbo animalis) is a porous, black, granular material produced by charring animal bones. Its composition varies depending on how it is made; however, it consists mainly of tricalcium phosphate (or hydroxylapatite) 57-80%, calcium carbonate 6-10% and activated carbon 7-10%. Human bone char, referred to as bone charcoal, is mentioned in Thomas Pynchon 's novel The Crying of Lot 49. 2  The bones come from US soldiers who died in combat during WWII and were buried in a lake in Italy, and the char is used for filters in cigarettes.
Types of Mauritian Visas. 1  Mauritian tourist visa is granted for a short period of leisure travel and no business activities permitted. 2  Mauritian Transit visa, is valid for 3 days or less, for transferring through port in Mauritius to a third destination. 3  On-arrival visa for Mauritius is given at a port of entry. Mauritian Transit visa, is valid for 3 days or less, for transferring through port in Mauritius to a third destination. 2  On-arrival visa for Mauritius is given at a port of entry.
To apply for a re-entry permit, you will need: 1  Passport with a valid Thai visa (you cannot get a re-entry permit on a 15 or 30 day visa exempt stamp). 2  Copies of the photo page, current visa page, and immigration departure card. 3  Copy of extension stamp page (applicable to non-immigrant Thai visas).here to Apply for a Thai Re-Entry Permit. Make sure to apply for a re-entry permit at your local Thai Immigration Office before you leave Thailand. Thereâs an office in every province. Plan your travel schedule accordingly and give yourself at least one day to complete this task.