It is generally recommended to paint polystyrene cornice moldings before installing them. This allows for easier and more thorough coverage of the molding, as well as the ability to paint the entire surface without worrying about getting paint on the ceiling or walls. Additionally, painting the moldings before installation can help to seal the material and protect it from damage or discoloration over time. However, if the moldings are already installed, it is still possible to paint them in place with careful preparation and masking of surrounding surfaces. **

To cut cornice moldings at a mitered angle with an odd angle, you will need to use a miter saw with the ability to adjust to the specific angle needed. First, measure and mark the angle on the molding, then set the miter saw to the corresponding angle. Place the molding against the saw fence and make the cut. It's important to double-check the angle and make any necessary adjustments before cutting to ensure a precise fit. **

Beach waves can last anywhere from a few hours to a couple of days, depending on your hair type and the products you use. For some people with naturally wavy or curly hair, beach waves may hold for a longer period of time. Using a good quality sea salt spray or texturizing spray can help to enhance the longevity of beach waves. Additionally, using a curling iron or wand to touch up any loose waves can help to extend the style. **

There could be several reasons why you are not achieving beach waves. It could be due to using the wrong styling products or tools, not using enough heat or the right technique when curling your hair, or not allowing your hair to cool and set properly after styling. Additionally, the natural texture and thickness of your hair can also affect how well it holds a curl. Experimenting with different techniques and products, as well as seeking advice from a professional stylist, may help you achieve the beach waves you desire. **

Researchers succeeded in discovering internal ocean waves in the 1970s. Using satellite imagery and oceanographic instruments, scientists were able to observe and measure these waves, which are caused by the interaction of tides and underwater topography. This discovery has since led to a better understanding of ocean dynamics and their impact on marine ecosystems. **

Researchers managed to discover internal ocean waves in the mid-19th century. The first observations of internal waves were made by the British Royal Navy in the Strait of Gibraltar in the 1840s. Since then, advancements in technology and oceanographic research have allowed scientists to better understand the formation and behavior of these waves within the ocean. **

To attach a curtain rod behind a cornice to hang multiple windows either from wall to wall or around the windows, you can use curtain rod brackets that are designed to be mounted on the wall. Measure the width of the cornice and install the brackets evenly spaced along the cornice. Make sure the brackets are securely attached to the wall and then place the curtain rod on the brackets. You can then hang your curtains on the rod to complete the look. **

To create beach waves in your hair, start by applying a texturizing spray or mousse to damp hair. Next, divide your hair into sections and twist each section away from your face. Use a hair dryer to heat each twisted section for a few seconds, then let it cool before releasing the twist. Finally, tousle your hair with your fingers and finish with a light-hold hairspray for a natural, beachy look. **