RULE 8l. SUPPLIES.    (a) Supplies-Assigned Cabooses.   As far as practicable, chains, brasses, knuckles, waste and other heavy supplies will be placed on cabooses at terminals. This does not relieve conductors from responsibility for having necessary supplies.  

     (b) Supplies-Pooled Cabooses.  Cabooses which are pooled will be kept supplied with all material, including stationery, water, sanitary drinking cups, ice and coal and will be kept in a sanitary condition, including the scrubbing of floors and washing windows, lamps to be filled and cleaned. Drinking water will be changed and ice furnished at each terminal of the run. The above duties to be performed by other than conductors and brakemen, and conductors will not be held responsible for leaving terminals without proper equipment.  

      Note: See Appendix "A" - Items 81 and 81(a).