Heat exchangers not being parts of machines; heat exchangers for cooling hydrogen being heat exchangers other than parts of machines

Repetitive sequence DNA for research or scientific purposes

Computer programming services, namely, content creation for virtual worlds and three dimensional platforms; Computer services, namely, creating an on-line community for registered users to engage in gaming and virtual worlds; Computer services, namely, creating an on-line virtual environment for gaming and social interaction; Computer services, namely, providing gaming and virtual world servers to others; Designing and modifying computer programs and video games for others; Hosting of digital...