pulmonary tuberculosis is the most common form of tuberculosis bacteria that cause tuberculosis could also spread from the lungs to other parts of the body through blood or the lymph fluid an active tb disease of the lungs airways or larynx is considered to be highly contagious
Before extrusion, the HDPE can be pigmented to yield color-coded pipe. Common PEX tubing colors are natural (hazy clear, unpigmented), white, black, red and blue. The red and blue colors are used to help plumbers and homeowners distinguish between hot and cold water supply lines.
PEX A vs. PEX B. I am obsessing over which pex to use for a whole house manifold installation. The choices are pex-a (uponor) vs pex b (viega). Uponor seems easier to work with, less kinking, better flow etc. What I am most concerned with is: 1.longevity (this is my forever house) 2. safety (leaching of chemicals into drinking water) I am on a well.