Transfer the silt without manual entry
Bird drinking honey from flowers
Taking out things from bag without looking
Hand wash liquid coming out when pushing the top
Syringe
Use VPN services to download / access files from outside IISc
Use IOT to control things remotely
Hand pump wells
School buses transporting children
Bulldozers
Marble climbing toy
Mars/moon rover controlled from earth station
Extracting oil from deep inside the Earth
Pressure difference
Check Valve
Repetitive action
Lever arm advantage
Create pressure difference to transfer/move the waste
Once the waste is moved, it should not be allowed to go back
Do not let it settle down. keep stirring/bubbling (turbulence)
Mechanical advantage - jack/lever to take out the waste