instructional manuals for environmental control apparatus; power conditioners; uninterruptible power supplies; computer room access control; computer room monitoring and control apparatus; and computer software

maintenance services for environmental control apparatus; power conditioners; uninterruptible power supplies; computer room access control computer room monitoring and control apparatus; switches; generators; batteries; and fire suppression apparatus

training in the use of environmental control apparatus; power conditioning; and uninterruptible power supplies; consulting services in the field of environmental control apparatus; power conditioners; uninterruptible power supplies; computer room access control; computer room monitoring and control apparatus; and fire suppression apparatus

commercial sale of manual and electronic service tools and kits for use with environmental control apparatus, power conditioners, and uninterruptible power supplies; sale and lease of computer room monitoring equipment