Because of the mechanical problems Which earlier workers had used a sponge to supplement the keypad for convenience but not safety.
When the sponge out of the swicth Employees will feel sore hands due to touch the hand of the keypad Cover Employees will feel sore hands due
to hand touch the edge of the keypad Cover.FE is to check found that keypad has a hardness and use force to push too much.
FE has improved keypad with a lever to help But the problem is when I press the button it freezes.Before FE Edit button to measure depth of
the button the first is 1.65 mm and second is 3.69 mm but after edit the button to measure depth the first is 3.28 mm second is 8.59.
"wherewith the improved has problme K.Pattheera Proposed that it should not change the operation of the machines without informing the
"
company that manufactures machinery.K.Surasit proposed try to adjust the angle or rotate the button is pressed in the position easier.