Can Opener

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Many people tend to assume that the cans and can openers were invented around the same time as it is now considered essential to have a can opener to open a can. This is not, In fact, the case: the cans were invented in the 19th century, in order to store food for the navy, while the opener werenÂ't invented until a man named Ezra Warner came up with the idea a decade later. Meanwhile, people had to come up with creative ways to open cans, often using sharp knives, or a hammer and chisel.

The opener we all know and love today dates back to 1925, although only a small change in the design 1870 original by adding a serrated edge of the cutting wheel. It is a testament to its usefulness that the only change since then has been the introduction of electric can opener, electric can opener, but still absolutely everywhere, and it is rare to find a kitchen that does not have an opener in the classic design

Although pull-open cans were invented 50 years ago, millions still open cans every day using can openers, as the cans are much cheaper to manufacture more when Dona't include Ringpull. There is also a certain nostalgia value in opening up a can with a can opener if done havenÂ't a while, but can be a bit dangerous if you cut the sharp metal edge of the main Cana

However, the classic design of the wheels is not the only kind of opener around. Another that is very common is the P-38 Pocket can opener, used in the army and often given with food aid in the developing world. It is much cheaper to manufacture than a normal can opener because it uses much less metal, which consists only of a sheet of metal with a Â'hookÂ. By experience can even be much faster to use than a normal can opener, and it is certainly easier to transport and store.

John Gibb is the owner of can opener guides [http://www.canopeners-guidance.info], For more information on can-openers please check out [http://www.canopeners-guidance.info]

What brand of garage door opening is the most reliable?

I just bought a condo, and the need to install a starter in my garage. Please, starters let me know of any you particularly like / dislike, thanks.

Let me try to respond with a little more detail. We 35 years experience in the business of doors and here is our experience Genie - Very popular, but built cheap. One of the starters cheaper, reason. While we have seen some models last for years, tend to start having problems only several years down the road - especially if the door is great or used frequently. Chamberlain (the "box store" models) - The openers are cheap and relatively well built. Usually had a good time if installed correctly, but not the last out of the professional, LiftMaster (as is any other product). LiftMaster - This is the line Chamberlain professional products available only through professional dealers. These starters cost more, but really worth the extra money in my opinion. You'll notice the plastic parts are replaced by certain steel, & Cable Assemblies partial string is replaced by full-length chain, and three or four lane is replaced by a piece of solid steel "T" station. Avaerage life of these units is usually one of the longest now available - 10-15 years depending on the size of the door and use the door. In short, if you can fork out just a little more money will LiftMaster, no doubt. If you want cheaper then Chamberlain's box "great" store. We do not recommend our customers Genie. Hope this helps!