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Firework damage to lawns

Firework Damage to LawnsIt's that crazy time of year again.  Time to stay in with the dogs and cope with the wizz and bangs of local fireworks. 

As always the local youths are the worst with their occassional banger or fire cracker.  Not a kill joy but you should own dogs!  Still it is a great opportunity to play rock music loudly, lots of bangs and crashes and the real bangs and wizzes get drowned out!

Spare a thought for your lawn.  The bonfire is an obvious one and also the scorch from it too but do not under estimate the damage from fall out from fireworks landing on your lawn.

They contain Sulphur, Potassium Nitrate, Aluminium to burn brighter, and Charcoal amongst other chemicals.  All bad stuff to burn your lawn where they land so expect some strange marks on the lawn a few days following Bonfire Night.

No doubt you will find a stray rocket stick on your lawn over the weekend and also some small rounds of concrete that are used to secure and weigh down some of the block fireworks that cost £50 and last for few minutes with a mega bang finale. Fantastic!

Stray fireworks can cause grass fires that lead to bigger fires.  Fireworks make up a beautiful display of sound and colour and are the main attraction in many social events, like festivals, inaugurations, concerts, but most of all, on the New Year's Eve. They may be beautiful on the outside, but they have some pretty weird stuff on the inside.

The earliest recorded fireworks date back to 12th century China, where they were first used to frighten away evil spirits with their loud sound and also to pray for happiness and prosperity. Now, they evolved into a work of art that is used to mark everything, from births to deaths and coronations.

On the inside, the shell, which is usually handmade, contains a powdery mixture of chemicals that produce not only the loud noise of the explosion, but also whistles, various pitches and a wide range of colours.  Paper wrappings, hollow spheres and tubes act as barriers inside the device and the most complex ones are even divided in multiple sections, which act as switches to coordinate the timing of the secondary explosions, once the main rocket has been fired.

The whistling sounds and the loud bangs are caused by flash powder, like the one used in photography flashes, a mixture of metal pieces that act as fuel (e.g. aluminum, titanium) and oxygen-rich compounds that feed the explosions.

To obtain the various sounds, various metals are used, like the bismuth trioxide, that gives out the crackling sound, while a food preservative and Vaseline are responsible for the whistles.

Colours also depend on the chemicals used, and while copper produces blue lights, barium, also found in various types of rat poison and glassmaking processes is responsible for the green. Sodium burns bright yellow, calcium burns orange, while titanium and aluminum produce the white stars in the American flag.

Fireworks make a pretty sight, but always remember that only true professionals can handle these applications safely and efficiently, and more than 6,000 children in the US are injured by fireworks every year.

Source - Softpedia


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