I had to replace a drain plug on my bike.

(e) Removing the liquid wastes either by removing the drain plug or by pumping with a peristaltic pump and Teflon or silicon tubing;

(e) Removing liquid wastes either by removing the drain plug or by pumping using a peristaltic pump (safeguarded against ignition and fire risks) and suitable chemical-resistant tubing;

(e) Removing liquid wastes either by removing the drain plug or by pumping with a peristaltic pump and suitable chemical-resistant tubing;

(e) Removing liquid wastes either by removing the drain plug or by pumping with a peristaltic pump and suitable chemical-resistant tubing;