When a building is undergoing painting, people might likely touch the walls and leave their fingerprints there. Their clothes could get painted and this could spoil their mood for the rest of the day. Touching the wet walls might force the contractor to redo these sections. This could raise the cost of the work and cause losses to the painter.
Things that people use daily could get damaged, blocked, or faulty. Due to this, it could be risky to use the item or facility. To prevent injury due to faulty machines or discomfort due to using facilities that are not working, an out of order sign is used. The sign can be placed on the door of the affected facility or the machine.
Health experts say smoking-related ailments are a top killer globally. They say diseases such as heart attacks, hypertension, and cancer can come due to smoking. Due to this, many governments have created designated places for smoking. In public places and offices, you will often find a no smoking sign strategically placed.