processing of legally produced industrial hemp derived solely from cannabis with a delta-9 THC concentration of not more than 0.3% on a dry weight basis for others, namely, processing in the nature of extracting oils from hemp, all containing less than 0.3% THC; processing of legally produced industrial hemp derived solely from cannabis with a delta-9 THC concentration of not more than 0.3% on a dry weight basis, namely, processing in the nature of extracting oils from hemp, all containing less than 0.3% THC