Vowel whose quality does not change over the duration of the vowel is called a monophthong. Monophthongs are sometimes called "pure" or "stable" vowels. A vowel sound that glides from one quality to another is called a diphthong, and a vowel sound that glides successively through three qualities is a triphthong. All languages have monophthongs and many languages have diphthongs, but triphthongs or vowel sounds with even more target qualities are relatively rare cross-linguistically. English has all three types: the vowel sound in "hit" is a monophthong , the vowel sound in "boy" is in most dialects a diphthong , and
Types of business entity in Russia Types of business entity in Russia There are three types of business entity in Russia. These are: limited liability companies (LLCs), Joint-Stock Companies (JSCs) and partnerships. The first two are joint-stock companies (in that they are owned by their shareholders) and have limited liability (the shareholders are only liable for the company's debts to the face value of the shares). There are two types of Russian Joint-Stock Companies, open and close. Founders of a joint-stock company sign a written agreement for its formation. This agreement establishes procedures for creating the company, such as size of authorized capital, types and categories