Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
After centrifugation 1 Allow the centrifuge to come to a complete stop before opening. 2 Wear new pair of outer gloves to remove rotor and samples. 3 Check inside of centrifuge for possible spills and leaks, clean centrifuge and rotor thoroughly if necessary. 4 Wash hands after removing gloves.