Daily Archives: January 11, 2015

Coating technology on plastic substrates

Why are plastics coated?? Coatings on plastics may be necessary for the following reasons:
1) this procedure is often cheaper than the necessary change of the color of the material;
2) manufacturing defects can be covered, how …

Elements of the hydraulic system of the boiler room

Because of destiny, devices placed in boiler rooms can be divided into four groups:
1) heat and energy transfer devices,
2) regulating devices,
3) control and measurement devices,
4) safety devices.

The most important hydraulic devices are listed in the table, which can be attributed to each of the …