The master level mirrors the IMP. The intermediate level is usually found in the proposal and contains all the end-to-. end activities, but at the âmacroâ level. The detailed IMS is usually a rolling wave planned at the week level.
Instructions. 1  Baking soda Baking soda is the best household item you can use to get the accumulated gunk off your old bathtub. 2  Mix two parts of baking soda and one part of hydrogen peroxide in a small glass bowl. 3  Apply this paste on your enameled bathtub or sink and let it set for about 30 minutes.nstructions. 1  Baking soda Baking soda is the best household item you can use to get the accumulated gunk off your old bathtub. 2  Mix two parts of baking soda and one part of hydrogen peroxide in a small glass bowl. 3  Apply this paste on your enameled bathtub or sink and let it set for about 30 minutes.
Scrub the tub with a sponge and rinse it clean. Polish the tub to a shine by using vinegar. Vinegar is all natural, won't harm your tub. Put several cups of vinegar into the tub and fill it up with hot water.Let the vinegar and water soak in the bathtub for a few hours then gently scrub any stains with a sponge. Rinse the tub with cold water.Dry the tub using a soft cloth, which will dry and polish the tub at the same time. The vinegar will enable the shine of your porcelain to really come through.Never allow a porcelain tub to air dry or it could leave behind water stains.inse the tub with cold water. Dry the tub using a soft cloth, which will dry and polish the tub at the same time. The vinegar will enable the shine of your porcelain to really come through. Never allow a porcelain tub to air dry or it could leave behind water stains.