Kod Tangan Bahasa Malaysia (KTBM), or Manually Coded Malay, is a signed form of the Malay language recognized by the government in Malaysia and the Malaysian Ministry of Education. It aids teachers in teaching the Malay language to deaf students in formal education settings. It is not a language but a manually coded form of Malay. It was adapted from American Sign Language (or Manually Coded English), with the addition of some local signs, plus grammatical signs to represent Malay affixation of nouns and verbs. It is used in Deaf schools to teach the Malay language.
The official Malaysian Sign Language, known as Bahasa Isyarat Malaysia, is the official sign language the Malaysian government recognises to communicate with the deaf community, including on official broadcasts. It is a language in its own right and not a manual coding of the Malay language like KTBM.
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^a Sign-language names reflect the region of origin. Natural sign languages are not related to the spoken language used in the same region. For example, French Sign Language originated in France, but is not related to French. Conversely, ASL and BSL both originated in English-speaking countries but are not related to each other; ASL however is related to French Sign Language.
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Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction