Chapter 1: Excavator 🔒

Phrase 1: use caution

Phrase 2: excavator

Phrase 3: use caution around the excavator

Chapter 2: Bulldozer 🔒

Phrase 1: bulldozer

Phrase 2: bulldozer inspection

Phrase 3: please inspect the bulldozer

Chapter 3: Crane 🔒

Phrase 1: crane

Phrase 2: crane load

Phrase 3: crane load is rigged

Bonus Chapter: Truck 🔒

Phrase 1: truck

Phrase 2: truck hauling

Phrase 3: truck is hauling cargo