When I think of a dangerous design, there is one design that comes immediately to mind: pole pruners. A 'pole pruner' is essentially a chainsaw attached to a long stick that is used to cut high branches on trees. I think it is quite obvious how dangerous this tool is. One mistake by a consumer can be fatal: someone slipping, someone getting knocked over, a branch falling, etc. Another hazard that this design poses is that it is not insulated. In other words, if a user accidentally cuts a power line while trimming their tree, they will be electrocuted and could very easily die. One thing that shocked me the most is that this product is supplied by many companies and it is not necessary to be a professional in order to purchase it. The only benefit from using a pole pruner is that the consumer can cut hard to reach branches, when it would be dangerous to use a regular chainsaw while standing on a ladder. However, I do not think that this one pro justifies the dangers and potential fatality that can arise from using this product.
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