Another possibility is suggested by Tom Lawand of the Brace Research Institute in Quebec, Canada, who notes that since iron filings absorb arsenic, it may be possible to develop a simple system for absorbing arsenic by passing drinking water through filtered sections containing iron filings and obviously sand, etc. to remove debris.
(Another possibility; is suggested; by Tom Lawand of the Brace Research Institute in Quebec) (Quebec; notes; that since iron filings absorb arsenic, it may be possible to develop a simple system for absorbing arsenic by passing drinking water through filtered sections) (iron filings; absorb; arsenic) (filtered sections; containing; iron filings and obviously sand, etc.)
Another possibility Quebec iron filings filtered sections
is suggested notes absorb containing
by Tom Lawand of the Brace Research Institute in Quebec
that since iron filings absorb arsenic, it may be possible to develop a simple system for absorbing arsenic by passing drinking water through filtered sections
arsenic
iron filings and obviously sand, etc.