The system's shut-off and discharge valves, if operated through the square pin, allow the system to be emptied

The drain valves

what they are and how they work and operate

The drain valves of the hydraulic system are special faucets operated by a square pin.

These can only be operated by special keys, for security reasons.

These valves are used to close a part of the system, allowing it to be emptied "unloaded" for these are called discharge.

Painter

Barbecue

Dog

Housekeeper

Clean the refrigerator and freezer

Electrician

Mechanic

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Learn the art and put it aside

Manual use. A moderate pratice of the activities descripted in this manual create the common sense. The common sense cames from experience. This site is made with Love to improve pratical and speculative ability and for this reason it contributes to the humanity development. All content is written by humans, no AI was harmed in the creation of this content.

Plumber

The drain valves

what they are and how they work and operate

Painter

Clean the brushes

Barbecue

The main cuts of beef

Dog

Check the dog's health