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.
Making the world better, one answer at a time. You can get the shine back on an old porcelain bathtub by washing it with an all-purpose bathtub cleaner and then rinsing it clean with water. Next, pour several cups of vinegar into a bathtub of hot water and allow it to sit for a few hours.Rinse the tub with cold water then take a dry, soft cloth to buff the bathtub.aking the world better, one answer at a time. You can get the shine back on an old porcelain bathtub by washing it with an all-purpose bathtub cleaner and then rinsing it clean with water. Next, pour several cups of vinegar into a bathtub of hot water and allow it to sit for a few hours.