what precautions should be taken while placing the monitor?
Answers
Tips to Avoid Computer Monitor Eyestrain
Look away from the monitor for 30 seconds, every 15 or 20 minutes. ...
Reposition monitor distance 20″ to 26″ from your eyes (roughly the distance from your eyes to the end of your index finger with arm outstretched). ...
Reset monitor height so that the top edge is even with your view when looking straight ahead.
Answer:
Explanation:
10 PRECAUTIONS TO BE TAKEN DURING PLACING OF CONCRETE
The formwork or the surface which is to receive the fresh concrete should be properly cleaned, prepared and well watered.
It is desirable to deposit concrete as near as practicable to its final position.
The large quantities of concrete should not be deposited at a time.
The concrete should be dropped vertically from a reasonable height.
The concrete should be deposited in horizontal layers of about 150 mm height.