tobacco plant history Monticello Tobacco Plant free public domain

The carcinogens present when smoking marijuana can have a negative effect on the entire body, particularly the gums and teeth

Ultimate Portability Small enough to carry anywhere

This is made possible by the uniform spacing of the diffuser nozzles, and their axial orientation to the water bath, resulting in a smooth/consistent draw rather than a rough "bubbling" feeling

Metal screen material meant for repairing window screens is more resistant to their chewing mouthparts, though more difficult to use

Lower Barriers to Entry The evaluation system should have lower barriers to entry so that application costs are measured in tens of thousands of dollars, not tens of millions