Test with words | Test with numbers | Words & Numbers. Increased typing speed is the major attraction non-typists see in learning to touch type. While learning to touch type will almost always result in a perceptible increase in typing speed it is just one factor contributing to a marked increase in productivity.
Hydrogen. Hydrogen (H 2) is being explored as a fuel for passenger vehicles. It can be used in fuel cells to power electric motors or burned in internal combustion engines (ICEs).ydrogen (H 2) is being explored as a fuel for passenger vehicles. It can be used in fuel cells to power electric motors or burned in internal combustion engines (ICEs).
Hydrogen peroxide provides a source of reactive oxygen species, and can be used as an oxygen supplement. H2O2 is used in several of the body's systems, and is found in rainwater (particularly high in storm water), raw organic fruits and vegetables, and mother's milk, for example.