Discus prefer a pH of 6.0, but I would recommend 6.5 so that you donât destroy your bacteria cycle. Temperatures should be around 27C-28C (80.6F - 82.4F). Discus canât tolerate ammonia, nitrite, or too much nitrate, so itâs a good idea to thoroughly cycle your tank before adding them as they are big fish.
lip lock definition, lip lock meaning | English dictionary. [. 10 a gas bubble in a hydraulic system or a liquid bubble in a pneumatic system that stops or interferes with the fluid flow in a pipe, capillary, etc. 12 tr to secure (a building) by locking all doors, windows, etc. Collaborative Dictionary English Definition.
Lockout device. A device that uses a positive means such as a lock, either key or combination type, to hold an energy-isolating device in the safe position and prevent the energizing of a machine or equipment. Included are blank flanges and bolted slip blinds. The standard provides a limited exception to the requirement that energy control procedures be documented. If an employer can demonstrate the existence of EACH of the eight elements listed in 1910.147(c)(4)(i), the employer is not required to document the energy control procedure.