Lesson plan of test 1, correction
iec 60079-15 electrical apparatus for explosive gas atmospheres - construction, test and marking of type of protection n electrical apparatus
whitaker - history of the theories of aether and electricity vol 1
Test 1 of second term-11
TEST 1 OF TECH TALK ELE
TEST 2 OF TECK TALK ELE
TEST 3 OF TECH TALK ELE
TEST 4 OF TECH TALK ELE
TEST 5 OF TECH TALK ELE
TEST 6 OF TECH TALK ELE
TEST 7 OF TECH TALK ELE
KEY OF TALK TECK ELE FROM TEST 1-7