The subjects that we have looked at so far have been to do with products that are to be found on almost every door. The remaining topics are those that are only applicable to certain doors and the first of these is door bolts.
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The GAI has served the interests of its members since 1961. It is the United Kingdom's only trade body solely dedicated to promoting the interests of the whole architectural ironmongery industry, architectural ironmongers themselves, and the manufacturers and wholesalers of architectural ironmongery products.www.gai.org.uk