A sinkhole, also called a doline, swallow hole, shake hole, swallet, or cenote, is a depressed area on the land surface that is shaped like a bowl or cone. Sinkholes can range in size from several square yards to hundreds of acres. They are common in regions of karst, a type of bedrock where mildly acidic groundwater has dissolved rock such as limestone, dolostone, marble, or gypsum.
Archives for July 2009
Since using a polymer rather than Portland cement creates a considerably more costly material, polymer concretes are used only in applications where its higher cost is offset, for instance by it’s properties, lower labor cost or lower energy expenditures in processing and handling. Construction engineers and architects, therefore, need to be aware of its capabilities and limitations when considering polymer concrete for specific applications.
A kerf splitter is a small device that goes behind the blade on a table saw and is used to keep the upward moving rear of the saw blade from catching on the piece of wood. To better understand what a kerf splitter is, we will first provide you with the definition of the word “kerf”.
According to the Webster’s dictionary, a kerf is “a slit or notch made by a saw or cutting torch” or “the width of cut made by a saw or cutting torch”. Now that you know what a kerf is, you should be able to understand what a kerf splitter is after we have explained what its function is in the opening sentence of this article.
Understanding the Terms
Without the use of drip caps, when it rains water can run down in between the window sills and ledges and the walls of your home. This can lead to mold, rotting, staining and other damages. This damage can be easily prevented by the addition of window drip caps. They are very inexpensive and easy to install.
If you have a hot tub and are considering how to enclose it, the following article will get you started. There are many styles, sizes, materials and options for you to consider.
A hot tub enclosure can be as simple as an open air roof, a gazebo structure or even an entirely enclosed building or cabin. There are so many different styles to choose from as well as types. A hot tub enclosure can be simple, functional and inexpensive, or if you so choose they can also be elaborate, unique and quite an investment.