Chapter 1: Work Zone 🔒

Phrase 1: work zone

Phrase 2: set up work zone

Phrase 3: you need to set up a work zone

Chapter 2: Barrier Vehicle 🔒

Phrase 1: Barrier vehicle

Phrase 2: barrier vehicle required

Phrase 3: barrier vehicle is required for this

Chapter 3: Flagger 🔒

Phrase 1: flagger

Phrase 2: flagger trained?

Phrase 3: has the flagger been trained?

Bonus Chapter: Buffer 🔒

Phrase 1: buffer

Phrase 2: buffer zone

Phrase 3: no equipment in buffer zone