The Big Twist
Since “The Big Twist” failure that killed multiple people, an investigation of the wheel and rail deviations from the derailed car has been carried out in order to determine what course of action should be taken to prevent similar catastrophes from occurring. In order to achieve safety, the rails of the newly designed car were supposed to be composed of 4130 steel. A heat treatment process involving a water quench and tempering was also required to modify the rail to…...
Pros and Cons of Bike Helmets
A walk through any sporting shop will expose a wide range of bike helmets. Still, some bicyclists use them, while others do not. Here are the pros and cons of using a bike helmet. Among the most significant benefits of using a helmet is safety. Bike deaths were of individuals who were not wearing helmets. Helmets were developed to secure your head, in addition to your brain, from injury arising from an accident or a fall. Using a helmet shields…...
Traffic Rules Importance
Bangladesh is a densely populated country. Like other countries in the world, Bangladesh has also been experiencing in-tense traffic problem which is increasing day by day. It is becoming one of the most intolerable and burning issues for the country. Traffic congestion is a common occurrence almost in all the cities of Bangladesh. Among the major urban cities like Dhaka , Chittagong, Khulna and Rajshahi especially the Dhaka city is now facing serious traffic problem along with many other problems…...