On-line library services, namely, providing electronic library services which feature training materials, learning materials and learning assessment materials in the fields of petroleum exploration, processing and business, geology and petrophysics via an on-line computer network

Dissemination of advertising for others via on-line electronic communications network

LEAK SENSING MEASURING AND TESTING EQUIPMENT FOR DRY TEST CHECKING AIR TIGHTNESS OF VESSELS, COMPONENTS OR SUBASSEMBLIES