This test is usually recommended for women who have a higher risk of having a baby with Down syndrome or in response to risk detected by one of the previous tests. The mother's blood can be tested during pregnancy after 10 weeks gestation.iagnostic tests during pregnancy. If your screening test results are positive or worrisome, or you're at high risk of having a baby with Down syndrome, you might consider more testing to confirm the diagnosis. Your health care provider can help you weigh the pros and cons of these tests.
Original vs. Toluene Free. The Briwax Original formula contains the solvent Toluene and the Toluene Free formula contains the solvents Xylene and Naphtha. Solvents are necessary in the formulation of Briwax because without them Briwax would just be a hard chunk of wax, almost unusable.Toluene has a high aroma factor, a strong smell, and some people love it and some hate it. The Toluene Free formula has a much lower aroma; it smells more like a dry cleaning solvent.riwax Original uses toluene mainly because it dissolves the beeswax 100%. So even if Briwax is liquid it will still work as intended. Toluene is also an excellent grease and grime cleaner. As Briwax is used on old antique pieces, the solvent is really at work cleaning off the old oxidized surface.
It is very likely that played a part . Chemical solvents such as acetone, alcohol (various alcohols, not just ethyl alcohol), toluene, xylene, turpentine, and benzene, are highly toxic and linked to lymphoma. Bob ross probably used a mixture of turpentine and something else as a paint thinner . He used to paint A LOT so given the fact that turpentine is carcenogenic inhaling its fumes will increase the odds of developing not only lung cancer , but also lymphoma and leukemia .