Communications headsets for use with communication radios, intercom systems, or other communications network transceivers

Apparatus for wireless transmission of acoustic information

Publication of newsletters, pamphlets, journals, magazines and periodicals, other than publicity texts; publication of electronic books and journals on-line; providing on-line non-downloadable publications, namely, newsletters, pamphlets, journals, magazines and periodicals in the field of the oil industry; arranging and conducting of conferences, seminars, and symposiums in the field of the oil industry; education and training, namely, classes, webinars, presentations, conferences, seminars,...

Arranging and conducting educational conferences, seminars and training regarding unsafe practices relating to oil refinery operations

PARTS FOR AIR CONDITIONING UNITS AND REFRIGERATION UNITS, NAMELY, COMPRESSORS