Books


05-08-21
How are bearing balls made?
How are bearing balls made? How are bearing balls made?

The importance of steel ball crushing load test     As an important part of ball bearings, steel balls have a great influence on the life, accuracy, vibration and running characteristics of ball bearings. When the bearing works, the contact surface…

The importance of steel ball crushing load test     As an…

Gratis
London
29-10-21
How a laser printer works
How a laser printer works How a laser printer works

How a laser printer works     Have you ever tried writing with a beam of light? Sounds impossible, doesn't it, but it's exactly what a CO2 laser printer does when it makes a permanent copy of data (information) from your computer on a…

How a laser printer works     Have you ever tried writing with a…

Gratis
A Coruña
21-09-22
Hot Sale 2022 CNC Wood Router
Hot Sale 2022 CNC Wood Router Hot Sale 2022 CNC Wood Router

High cost performance. Processing requirements can be met without high procurement and training costs. This type of wood engraving machine can help users save 30% purchase cost. It also can be used as CNC wood cutting machine, especially for MDF, wood…

High cost performance. Processing requirements can be met without high…

Gratis
London
21-09-22
Hot Sale 2022 CNC Wood Router
Hot Sale 2022 CNC Wood Router Hot Sale 2022 CNC Wood Router

High cost performance. Processing requirements can be met without high procurement and training costs. This type of wood engraving machine can help users save 30% purchase cost. It also can be used as CNC wood cutting machine, especially for MDF, wood…

High cost performance. Processing requirements can be met without high…

Gratis
London
19-08-21
HOT ALONE WON‘T DO THE TRICK!
HOT ALONE WON‘T DO THE TRICK! HOT ALONE WON‘T DO THE TRICK!

HEATING ELEMENTS About 5000 to 7000 furnaces for sintering zirconia are produced every year at the moment. The numbers are rising. There are two different heating element types that are installed in the dental furnaces on the market to achieve the…

HEATING ELEMENTS About 5000 to 7000 furnaces for sintering zirconia…

Gratis
London
02-11-21
History of steam turbine technology
History of steam turbine technology History of steam turbine…

History of steam turbine technology         Early precursors         The first device that can be classified as a reaction steam turbine is the aeolipile proposed by Hero of Alexandria, during the 1st century CE. In this device, steam was supplied…

History of steam turbine technology         Early precursors        …

Gratis
London
19-10-21
History of Necklaces and Pendants
History of Necklaces and Pendants History of Necklaces and…

A Necklace is a form of jewelry worn suspended around the neck. It is most commonly made in flexible forms such as a chain, as a string of beads, pearls, gemstones, or other natural materials, or made of a more inflexible band of metal embellished with…

A Necklace is a form of jewelry worn suspended around the neck. It is…

Gratis
London
11-11-21
History of Cardboard Boxes: When Were Cardboard Boxes Invented?
History of Cardboard Boxes: When Were Cardboard Boxes Invented? History of Cardboard Boxes:…

History of Cardboard Boxes: When Were Cardboard Boxes Invented?     We take them for granted, but shipping operations would not be the same without the invention of cardboard boxes - how long do you think they have they been around?     When Was the…

History of Cardboard Boxes: When Were Cardboard Boxes Invented?    …

Gratis
London
04-02-24
Hino Motors: Past, present, future - a legacy of innovation shaping the transportation landscape.
Hino Motors: Past, present, future - a legacy of innovation shaping the transportation landscape. Hino Motors: Past, present,…

Hino Motors: Past, present, future - a legacy of innovation shaping the transportation landscape.    webiste:  https://55hino.com

Hino Motors: Past, present, future - a legacy of innovation shaping…

Gratis
A Coruña
09-09-22
High Quality Stone CNC Machining Center For Marable Stone Quartz
High Quality Stone CNC Machining Center For Marable Stone Quartz High Quality Stone CNC…

Stone CNC machining center is a kind of automatic stone cutting tool or a special large-size stone CNC router which is composed of CNC granite engraving bits, such as stone spindles, stone automatic tool changers, stone processing systems, etc., to cut…

Stone CNC machining center is a kind of automatic stone cutting tool…

Gratis
A Coruña