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.
How to Repair the Porcelain Sink Enamel. 1  Clean and rinse the sink thoroughly to get rid of any soap residue. 2  After the sink has dried, use a small piece of emery cloth to sand the damaged area. 3  After prepping the damaged area, use the razor blade to spread thin layers of the filler into the chip, allowing each layer to dry before applying the next. After the sink has dried, use a small piece of emery cloth to sand the damaged area. 2  Be careful not to sand the surrounding undamaged porcelain or you will create visible scratches. 3  After sanding, clean the area with denatured alcohol and a clean cloth. 4  Allow it to dry.