AAC Block

A chain link fence is a type of woven fence usually made from galvanized steel wire. The chain link fence wire runs vertically and are bent into a zigzag pattern so that each "zig" hooks with the wire immediately on one side and each "zag" with the wire immediately on the other. This forms the characteristic chain link fence diamond pattern seen in this type of steel fence. 
The manufacturing of chain-link fencing is called weaving. A metal wire, often galvanized to reduce corrosion, is pulled along a rotating long and flat blade, thus creating a somewhat flattened spiral. The spiral continues to rotate past the blade and winds its way through the previous spiral that is already part of the fence. When the spiral reaches the far end of the fence, the spiral is cut near the blade. Next, the spiral is pressed flat and the entire fence is moved up, ready for the next cycle. The end of every second spiral overlaps the end of every first spiral. The machine clamps both ends and gives them a few twists. This makes the links permanent.
An improved version of the weaving machine winds two wires around the blade at once to create a double helix. One of the spirals is woven through the last spiral that is already part of the fence. This improvement allows the process to advance twice as fast.

AAC blocks or Autoclaved Aerated Concrete blocks are fast replacing traditional bricks in the construction industry. AAC is a foam concrete material that is up to three times more lightweight than regular bricks, and hence, is easy to handle and use too.It might intrigue you to know that AACs are not new entrants in the field. This material was invented sometime during the 1920s. However, its popularity has shot up only in the last decade or so. If you are in the process of constructing your house, then definitely consider AAC blocks instead of red brick

Autoclaved Aerated Concrete (AAC) block is a low-maintenance precast building material with excellent thermal insulation and durability. The heat-insulating properties of AAC blocks keep the building cooler and prevent outside heat from entering, resulting in significant savings on air conditioning costs.

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