A good finish depends on many factors, including the quality of the paint or varnish, the preparation of the surface, and the expertise of the painter. However, even with the best possible paint quality, preparation, and skill, success will be elusive without good lighting.Light intensity alone is not enough. It’s the reflection of light from the surface that allows us to judge the quality of a coating: at the right angle of reflection we can gauge whether we have applied the paint too thick, too thin, or whether there are places missed altogether—so-called holidays. We can see the work better if we lower the angle of the light source relative to the surface.

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