Oxy-Acytelin Welding

There are many components that make up an oxy-acetylene out fit.
•         Cylinders.
•         Regulators.
•         Hoses.
•         Torches. (welding & cutting)
•         Tips.
•         And your PPE.
 
CYLINDERS
•         Cylinders should be checked regularly with date of the last test stamped on the top of the cylinder.
•         Always stored in the up right position.
•         When not being used, the valve cap should [...]

Basic of Air Conditioning

PRINCIPLES OF COOLING
Heat Transfer
 Heat is a form of energy. Every object on earth has some heat energy. The less heat an object has, the colder we say it is. Cooling is the process of transferring heat from one object to another. When an air-conditioning system cools, it is actually removing heat and transferring it [...]