This standaid ( Part II ) covers the tests to check the performance of electric battery powered industrial trucks ( except the Type EX, see IS : 8790 ( Part 11 )-1978〓 ) designed to operate in hazardous areas.
IS 9099 Pt.2-1980 history
1981IS 9099 Pt.2-1980 Performance Testing of Powered Industrial Trucks Operating in Hazardous Areas Part Ⅱ Battery Powered Industrial Trucks