No reputable scientific information is available - showing that motion sensors harm human health.
alcohol is a beverage and a weed. it harms human being kidneys.
A PIR Motion sensor detects the minute changes in heat and infrared radiation rather than movement.
human
Human beings.
there are two types of wastes : solid , liquid . the waste not only harms on human health but it also effects
I have had motion sensors activated by wind moving branches, pine cones falling from trees and hail storms.
CANCER
it harms the napkins.
arshia harms human cells
The human figure and motion.
For example: A alive human is in motion and a dead human is something not in motion.
The answer is parasitism! Becuase the lice harms the human and only the lice benifits!