Check out this explanation of a paint making process using prickly pear cactus juice and type-s lime. Umber oxide is hydrated and added for earthen color. Paint is applied to the ferrocement/papercrete battery room dome.
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.