Views:1 Author:Site Editor Publish Time: 2019-11-04 Origin:Site
People usually do not consider step ladders before they have to climb it. Nevertheless, it is common in many places ----- a tool used to access attics, roofs and other high places.
Nobody really knows when the ladder was invented. “But the earliest evidence is in Valencia, Spain. The spider Caves have a Mesolithic rock painting of a ladder about 10,000 years old. The painting shows two men accessing the wild honeybee nest with ladders, most likely to get honey. The painting shows a flexible ladder made of some kind of grass.”
Although this is the first evidence of the ladder, most researchers are believed that it is much older than the ladder. The functional design roots of ladders as we know it today can be traced back to ancient Egyptian culture and Hebrew. These are the development and improvement of its civilization. Over the years, there are different types of ladders have been created to accommodate different purposes.
Some ladders are small and easy to transport. The others are large and take time to assemble. These tools can be roughly divided into flexible step ladders and rigid step ladders .
Flexible ladders - These ladders are usually made of grass, cords, ropes and other flexible materials. They are more easy to use and portable. Of course, it's not easy to climb. When you increase the weight, the flexible ladder will bend and flex, which makes it difficult to climb without any practice. However, they are usually used in combat situations and are very suitable for emergencies.
Rigid ladders - It is different with flexible ladder, rigid ladder feels safer under your feet and is very easy to use. But, they are difficult to transport. A small ladder can be easily carried with you. However, large ladders require special transportation and assistance. Several rigid ladders are available, which including:
Platform step ladders
Hook or Pompier ladders
A frame ladder
Vertically rising ladder
Flexible or rigid, Ladders are indispensable and ubiquitous. The invention of wheels enabled us to cross distances, while ladders enabled us to conquer heights, and at the same time provided a perfect metaphor for the philosophy of success. As American entrepreneur JC Penney once said, "No one can climb the ladder of success without first placing a foot on the bottom rung."
Zhejiang Stable Master Industry and Trading Co.,Ltd. is a professional manufacturer of ladders. We have more than 10 years in manufacturing steel tube and steel bars exceeds 20000 tons for one year. Our company are located in Zhejiang Province,China. 1.2 hours from Hangzhou and 2.5 hours from Shanghai.
We produce various kinds of steel step ladder. Our products are exported to Germany, UK, France, America and other western countries.
The company was audited according to the ISO9001. And our business philosophy is “ Quality first, reputation first, customer first ”. We are sincerely welcome to visit our factory and hope to establish friendly relationship with you.