Category: Trenching and Shoring   T103 - Trenching Safety 1 Trenching cave-ins are deadly! Basic guidelines to ensure a safe trenching job are shown. Tone: Actuality / Language: English, Spanish Key Training Points: warning signs - spoil - factors of collapse - ladders and ramps   T108 - Trenching Safety 2 Part two re-emphasizing basic guidelines necessary to ensure a safe trenching job. Tone: Actuality / Language: English, Spanish Key Training Points: slope ratio - trench shields