Downloadable multimedia software for use in self-assessment, instruction and training in the fields of computers, computer networks, computer software, job placement, and personnel and organization development and leadership; and downloadable electronic publications in the nature of instruction sheets, publication papers, books, graphic illustrations and photographs for information and instruction in the fields of computers, computer networks, computer software, job placements, and personnel ...

Compressors for machines

Compressors for machines; compressors for refrigeration and air conditioning equipment