Oral vaporizers for smoking purposes; Oral vaporizers for smoking purposes in the form of a pen; structural parts and fittings for oral vaporizers for smoking purposes; cartridges for electronic cigarettes and oral vaporizers for smoking; all of the foregoing containing or for use with CBD derived solely from hemp with a delta-9 tetrahydrocannabinol THC concentration of not more than 0.3 percent on a dry weight basis