how to pack a pipe with loose tobacco Instructions from back in the day. : r/PipeTobacco The Art of Pipe Smoking:

This standard exists because 0.3 microns represents the hardest size to capture, where filtration efficiency reaches its minimum

In ancient times most of the long pipe stems were probably split lengthwise, the smoke passage excavated, and the two halves glued together

Methanol Methanol is the main component in rocket fuel

There is also growing evidence suggestive of impacts on human reproduction and developmentincluding infertility, premature birth, trouble breastfeeding, delayed puberty, earlier menopause, and diverse metabolic impacts [ 25 , 26 ]as well as suggestions of a relationship with neurologic and behavioral disorders (including attention deficit hyperactivity [ADHD], autism, and schizophrenia) [ 27 , 28 ]

Elevated expression of valosin-containing protein (p97) in hepatocellular carcinoma is correlated with increased incidence of tumor recurrence

Other than that it's fine