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.
Alloy
Alloy : stainless steel
Composition : fe (82%) cr, ni (18%)
Use : for making cooking utencils, knives.
.. More >>