Test theory, answer questions, learn hair knowledge
Learn theoretical knowledge about hair care in the US through quizzes and multiple-choice questions. Create a personalized study schedule and track progress to maintain learning consistency.
Dictionary provides English-Vietnamese translations with advanced search and native pronunciation. Includes multiple dictionaries and over 100,000 words. Features modern interface, no ads, and updated content for learning, work, travel, or home use.
Read ebooks from the YBOOK Library collection. Access books through a YBOOK-issued card or linked library/school membership. Borrow and manage reading progress. Sync reading history across devices. Export notes and highlights.