1 Pour 1 cup (120g) of borax and 1/4 cup (60ml) of lemon juice into the toilet bowl. 2  Let sit overnight. 3  In the morning, scrub with a toilet brush, then flush to rinse. 4  Easy! 5  For tough stains, make a borax and lemon juice paste. 6  Scoop some of the water out of the toilet to expose the stain, then rub the paste into it.
Purchasing power parity (PPP) is a theory which states that exchange rates between currencies are in equilibrium when their purchasing power is the same in each of the two countries.
Procurement Services Provider. A Procurement Service Provider, or PSP, is a third party organization or consultant which is used to supplement internal procurement departments. PSP's have their own staffing which assist in a variety of tasks for their clients.