Hippocrates and Galen advanced the concept of humorism, a theory which held that we get sick from imbalances of the four basic substances within the human body, which they identified as blood, phlegm, black bile and yellow bile.
If I bought a pair of $190,000 Focal Grande Utopia EM and found out the beryllium isn't any more pure than a pair of $2700 speakers, I'd be very upset. I would also be upset if the beryllium tweeters in my $190K speakers cost less than diamond tweeters in a pair of $5K speakers.
The average cost for an Epoxy Coater is $930. To hire an Epoxy Coater to Coat your floor, you are likely to spend between $620 and $1000 total. The price of an Epoxy Coater can vary depending on your area.