3, the use of aspects. When laying,↓  avoid sudden tortuous a‌γnd torsion. After filli★¶γng with water, avoid δ✔dragging on the ground≈σ to avoid contact with co ↕™rrosive chemicals such as oiγ✘l, acid and alkali. In areas where there may be f‍♦♥↑lame or strong radiantα¥®" heat, cotton or hemp wate≤$↓r should be used. Belts should be hook©Ω'ed with water when climbing the water b↑€∞±elt; when passing through the railw& ay, they should pass£§ under the rails. When passing the road, the w'∑↕♣ater bridge should be placed on₹δ♦© the road; prevent the water belt from co÷↓↕ming into contact with the hard objects★© with angular edges. Throwing wood↓'↑, steel and other items onto th€✘"♥e water belt; the water b₽★≥elt should be cleaned after use; the cold ar✘α✘ea should be lined with water on¥÷γ§ the outside of the building.