Fill in the function $($operand and process$)$ of the $11$ components $-$

$1.$

Well:

$2.$

Pump:

$3.$

Pressure tank:

$4.$

Hot$-$water heater:

$5.$

Faucet:

$6.$

Human $($drinking$)$:

$7.$

Toilet $($WC$)$:

$8.$

Underground tank:

$9.$

Showerhead:

$10.$

Human $($washing$)$:

$11.$

Shower basin: