The vehicles - one for the president, the other which serves as a decoy - are fitted with military grade defence systems and 20-centimetre-thick armour-plated doors.
Prefixes corresponding to powers of one thousand are usually preferred, however, units such as the hectopascal, hectare, decibel, centimetre, and centilitre, are commonly used.
The solar panels are protected by a centimetre-thick layer of transparent, skid-resistant tempered safety glass that can support bicycles and vehicles.
