write a essay on polybag with advantages and disadvantages
Answers
Explanation:
Advantages of Plastic bags:
Plastic bags are cheaper than their paper alternatives.
They are hugely favored by retailers and customers alike.
Plastic bags are very easy to use.
They are more durable than paper bags.
Plastic bags can be reused and even rinsed for fresh use, unlike their paper counterparts.
Most plastic bags are biodegradable.
Used extensively in supermarkets for groceries.
They are foldable and can be carried in a purse or pocket.
Require less energy to make.
Quicker to open, pack, and double up than paper bags.
Lighter to carry than any other alternative.
Plastic bags actually generate up to eighty percent less solid waste than paper.
Stronger than its paper counterpart.
Preserve products for a longer period.
They can be used by all industries irrespective of their scale.
Disadvantages of Plastic bags:
Affects marine life adversely
They are made of crude oil and natural gas which are non-renewable sources of energy.
Since only a small percent of plastic bags are recycled, many of them end up entering the waste stream.
Heavy items often tend to break the handle of plastic bags making them unusable.
Plastic bags are known to be a hazard for various animal species.
Major pollution source.
When burnt, plastic bags release toxic fumes into the air.
Some plastic bags are made of additives which is another environmental hazard.
Recycling of plastic bags involves huge wastage of water.
Dumping plastic bags is also an issue as it causes soil pollution.
Recycling them is not easy.
Creates unnecessary clutter at home as well as in the workplace.
Wastage of petroleum.
One of the biggest threats to wildlife.
According to some reports, roughly 5 trillion plastic bags are used every year. That’s a lot of plastic indeed! Prudence lies in using them sparingly and replacing them gradually with their paper and cloth counterparts.
Answer:
It has low strength and hardness, but is very ductile and has good impact strength; it will stretch rather than break. Polyethylene is water resistant and durable, so it is longer lasting when exposed to the elements compared to other polymers.
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