The construction workers used several jack blocks to support the heavy beams.

I found a bag full of jack-balls in the park.

The construction workers installed the jack trusses on the roof.

I have two jack planes in my workshop.

I bought a pack of jack-sinkers for fishing.

There are many Jack Mormons in the community.

There are several jack-ups in the harbor.

There are many jack-in-the-pulpits growing in the forest.

I need to buy some jack towels for the hotel.

I planted some jack beans in my garden.