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