有没有比较清晰比较好的Power MILL免费教程

数控编程

there are lots of positives and negativesA big negative is an increase of environmental damage. The factories were powered by coal- the smoke from the factories turned pretty much everything black in the UK. Also durring this time there was a mass movement of people from the farms into the cities where they could make more money in the factories. A positive is that it created a huge middle class. Before the IR there was the lower class which consisted of most people and then there was the few people who made up the wealthy upper class that pretty much controlled everything. As the poor people began to work in the factories, they made more money, which gave them more power. The new middle class began to demand rights, they wanted to vote (before only land owners could vote.) However this created a new problem- you can't have uneducated people voting, it can be dangerous. As a result mandatory education was introduced for everyone. Hope this helps   POSITIVE:The Industrial Revolution changed the ways by how the world produced its goods. It also changed our societies from a mainly agricultural society to one that in which industry and manufacturing was in control. During this time there were also many new technological advancements, socioeconomic and cultural problems that arised. On the technology front, the biggest advancements were in steam power. New fuels such as coal and petroleum, were incorporated into new steam engines. This revolutionized many industries including textiles and manufacturing. Also, a new communication medium was invented called the telegraph. This made communicating across the ocean much faster. The Industrial Revolution was a time of dramatic change, from hand tools and handmade items, to products which were msass produced by ma

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息