Electronic test and inspection apparatus, namely, electronic tank and sewer test and inspection apparatus for testing for the presence of alkaline, and for testing sewers, gullies, roads, cesspits, oil separators, fat traps, sand, fat or oil, and structural parts therefor

Electronic test and inspection apparatus, namely, electronic tank and sewer test and inspection apparatus for testing for the presence of alkaline, and for testing sewers, gullies, roads, cesspits, oil separators, fat traps, sand, fat or oil, and parts therefor