Final answer:
Before sanding a scratch or mar in veneer, it's important to identify the depth and choose the appropriate solution. Shallow scratches can be gently sanded out, while deeper scratches may require filling or touch-up pens.
Step-by-step explanation:
Before attempting to sand a scratch or mar in veneer, first identify the depth of the scratch or mar. If the scratch or mar is shallow, you can try using a fine-grit sandpaper to gently buff it out. However, if the scratch or mar is deep, sanding may not be the best solution as it can remove too much of the veneer. In this case, you may need to use a filler or a touch-up pen to disguise the imperfection.