Chapter 1: Trench boxes 🔒

Phrase 1: trench

Phrase 2: trench box

Phrase 3: place your trench box

Chapter 2: Sloping 🔒

Phrase 1: slope

Phrase 2: slope angle

Phrase 3: what's your slope angle?

Chapter 3: Entry and Exit 🔒

Phrase 1: access

Phrase 2: access points

Phrase 3: access points within 25 feet

Bonus Chapter: Soil Type 🔒

Phrase 1: soil

Phrase 2: soil type

Phrase 3: what's the soil type?