Note 2 — Front matter
Reading edition
Trench mats are usually 8 feet long by 2½ feet broad and are simply flooring boards about 2 inches broad which are nailed about two inches apart to a strong scantling 3 × 3 inches thick.
Reading edition
Trench mats are usually 8 feet long by 2½ feet broad and are simply flooring boards about 2 inches broad which are nailed about two inches apart to a strong scantling 3 × 3 inches thick.