What you saw without staining the cells with Iodine solution.

i think slash and

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

you didnt put any of the following

answer seismograph;