You will notice that the installation will bring up a command prompt window while Python downloads and installs âPip.â Pip is just a package management tool. This will allow you to install all the additional Python packages that are available for download through PyPI (Python Package Index) .
Lumber Pressure Treated With Chromated Copper Arsenate. Chromated copper arsenate (CCA) has been used extensively in this country as a wood preservative. CCA is composed of: copper, which acts as a fungicide; arsenate, a form of arsenic, which is an insecticide; and chromium, which binds the ingredients to the wood.
What Does BPA-Free Mean? - Care.com Community BPA stands for Bisphenol-A, an estrogen-imitating chemical used to produce reusable plastic products, such as baby bottles, toddler sippy cups and plastics you might use for storing leftover food.