factors that may affect affect the observation

aggregate level of borrowing antithetic fault(s) Argoflon fibre behaving curing agent determination of direction and range dodar disulphonated green sputum head plate homocamphor infarct-related initial effective data lacebark Niobobrookite petiolus castilaginis epiglottidis Potamogeton nodosus rhynchostegium pallidifolium rock compression storing space sub-net