Chi Sau is the most important part of the system. Chi Sau is not a form of kata. Chi Sau is not a form of sparring. Chi Sau is the bridge between techniques from the forms and real fighting. The forms are always the same. Chi Sau is free development. Every session is different.
Storm door installation will cost $200 to $400. It will take a professional half a day to a full day to install a storm door. The length of time it will take depends on the complexity of the installation. If the installation is straightforward then it will take less time, and therefore, cost less.
Certified installers know the products and procedures necessary to meet storm windows manufacturer's specifications. Be sure to get at least three estimates in writing, and ask if they are bonded and insured. Typical Costs for Storm Window Installation. Low-End Estimate: $150 per storm window . High-End Estimate: $275 per storm window . These prices are for the cost of materials and installation. Windows are often priced by the unified inch, which means the width of the window + length of the window.