Elevators are used...
in tall buildings...
Ferris wheels are used...
at a carnival
Anchors are used on...
boats
Hard hats are used...
on a construction site
A bridge is used...
across water
Gasoline is used...
in a car/truck
Locks are used on...
doors/safes/lockers
Sheet are used...
on a bed
A saddle is used...
on a horse
A submarine is used...
under the sea
A menu is used...
at a resturant
Books are used in...
library/school
Parachutes are used...
in the sky
Cash registers are used in...
stores
A surfboard is used...
in the ocean
A snorkel is used...
in the pool/ocean
Candels are used...
on a cake/in the dark
Tractors are used...
on a farm
Balloons are used at...
parties
Icing is used...
on a cake/cupcake