Glycol ethers (also called "propylene glycol ethers") are a category of organic solvents which were introduced while in the 1990s as an alternative to PCE.[7]: 23–24 These solvent mixes are flammable, but are considered akin to large flash hydrocarbons in fire hazard. urging encouraging nudging prompting pushing prodding spurring exhorting https://johnp497dmm6.salesmanwiki.com/user