月归档：十二月 2012

Before tanning, the skins are unhaired, degreased, desalted and soaked in water over a period of 6 hours to 2 days. To prevent damage of the skin by bacterial growth during the soaking period, biocides, such as pentachlorophenol, are used. … 继续阅读 →

Screens on windows, crawl spaces, and vents are often damaged in farm and industrial buildings. Check these carefully for needed repair or replacement. One of the greatest challenges in farm buildings is preventing feed and seed from being a food … 继续阅读 →

installed include: • Falling gutters that cause injury to others • Injuries received due to falls due to excessive water not collected by the gutter system • Water entering into the adjacent buildings • Rotting roof structure and leaves • … 继续阅读 →

1 Falling gutters that cause injury to others 2 Injuries received due to falls due to excessive water not collected by the gutter system 3 Water entering into the adjacent buildings 4 Rotting roof structure and leaves 5 Moisture and … 继续阅读 →

If you are not sure if you should get a repair guttering job done, or a complete replacement, compare the expense of maintenance calls three times a year versus the paid off monthly expense of a modern gutter system. You … 继续阅读 →

A solar oven can even be built out of everyday materials. There are also cheap versions available on the market. What’s best about them is that they can be used to prepare just about anything which can be made with … 继续阅读 →

Surprisingly, the solar oven is one of the most easily accessible forms of solar power, which can be used either at home, or in the wild. Cooking with a solar oven is probably the greenest method of preparing your food. … 继续阅读 →