I can't agreee. Lead is persistant in the environment. Pb gets in the soil and on food it is very toxic, and studies show that even very low levels (5 micorgrams/deciliter) in children can cause developmental problems. Unlike lead, the aromatics delute and degrade quickly in the environment. Not a lot of evidence infrequent low level exposures present much risk. Certianly it does not accumulate in body tissues or bone like lead does. That does not mean accute or cronic exposures can't kill you. You are completely correct about asbestos, but how are you going to mine it, manufacture it into some product, itstall it or remove it without breathing it ? DDT works great, wished I had some.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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