11. With friction fire effort is focused into grinding dust off of soft solid burnable material such that the dust is smoldering. 12. :Burnable DVD's and CD's do not have longevity to make them a good option for archiving. 13. How much energy would a typical household expect to get from burning all their burnable rubbish and using it for heating? 14. I am not wedded to any format, so long as it is convertible, and burnable should I need it. 15. It is used as a secondary, emergency shut-down measure in some nuclear reactors, particularly of the burnable poison. 16. His first major invention in 1950 of " burnable poisons " made the development of a naval nuclear propulsion program feasible. 17. In addition to the use of saggars, some studio potters bundle pots and burnable materials within a heavy wrapping of metal foil. 18. This avoids the traditional means of using helium inert gas for tank pressurization and leaves slightly more burnable fuel in the fuel tank. 19. A poison that is purposely inserted into a nuclear reactor for controlling its shutdown margin is called a " burnable " poison. 20. Even after soaking in cold water for an hour, skewers become dry, hence burnable , in about a minute over a hot fire.
