will be SBS***5*. Note that this only applies to certain buses and not others and that the final asterisk is the checksum letter and not a number. For example, if the bus is registered as SBS7533J, SBS7534G will be omitted and the next bus to be registered will be SBS7535D. Singaporean public transport operator SMRT has omitted the "4" as the first digit of the serial number of the train cars as well as the SMRT Buses NightRider services . In Indonesia In Indonesia since the 2000s, an increasing number of skyscrapers skip floors ending with, or contains implicit references to, the number 4 (as well as the 13th floor), especially in those funded by Chinese Indonesians. For example, in Plaza Semanggi (owned by Lippo Group, which was founded by Chinese Indonesian Mochtar Riady), 4th floor is replaced by 3A. In The Energy Tower and most high-rises developed by Agung Sedayu Propertindo, 39th floor is followed by 50th floor. Some buildings, mostly owned by non-Chinese, have a 4th floor. Examples are government buildings, the Sarinah department store, and most buildings developed by Indonesian state-owned enterprises. In Vietnam In Vietnam, the Sino-Vietnamese words for "four" ( or ) are used more in formal contexts like referring to "Wednesday" (). When spoken, its sound is differentiated clearly from the word for "death" (). is also used in formal contexts and proper nouns, and have to be used in compounds like (immortal) or (Sichuan). The word is often used instead in the place of . Tetraphobia does not occur in Vietnam as the Sino-Vietnamese words for four and death are not used very often. Its native Vietnamese equivalents, (four) and (death), are the words mainly used for death and four. In South Korea In South Korea, tetraphobia is less extreme. The number 4 sounds like the hanja for "death" (사) (although Korean has no tones), so the floor number 4 or room number 4 is almost always skipped in hospitals, funeral halls, and similar public buildings. In other buildings, the fourth floor is sometimes labelled "F" (for "Four") instead of "4" in elevators. Apartment numbers containing multiple occurrences of the number 4 (such as 404) are likely to be avoided to an extent that the value of the property is adversely affected. The national railroad, Korail, left out the locomotive number 4444 when numbering a locomotive class from 4401 upwards. Outside Asia Efforts