Viruses are classified by the type of nucleic acid they contain, and the shape of their protein capsule. Examples of several viruses are shown in Figures 1-3. Figure 1. Structure of a variety of viruses. Image from http://www.gene.com/AE/AB/GG/examples_of_viruses.html.
Stucco is a durable and beautiful building material, but homeowners should accept that it just isnât waterproof. If youâre concerned about damage to your home, look from these signs that your stucco is, indeed, due for a waterproofing job: Paint coating stucco is chipping, peeling, fainting, or cracking.
Painting Your Stucco. Stucco is an excellent choice for your home exterior. Made of Portland cement, lime, sand and water, stucco provides a hard, durable, weather-resistant outer surface to protect your home from the elements. However, over time, stucco exteriors can suffer small chips, fractures, stains and fading and may need repair.