Goldman Sachs said it brings on 2,900 interns globally for its summer program and wouldn't say how many of them worked in the investment banking division specifically.
How long after power-washing a deck should you wait to stain it? Quick Answer. Allow 24 hours for a power-washed deck to dry before applying a stain, and allow the stain to dry for four hours before applying a second coat if it's needed. After staining the deck, wait a full 24 hours for the deck to dry before using it. Continue Reading.
Although water alone can remove dirt from concrete, cleaning chemicals often are needed to remove specific stains. Many contractors recommend spraying the stain with the recommended chemical and letting it sit for about 15 minutes before power-washing the area.il and Grease. Concrete with oil and grease stains. Removal of oil from parking lots, drive-throughs, and other concrete pavements is the most common concrete power-washing application. In addition to hot water, an alkaline degreaser will greatly increase removal rates of oil and grease.