<http://webisa.webdatacommons.org/138843520>	<http://www.w3.org/ns/prov#value>	"As can be appreciated, the sensitivity of the mats must be adjusted to prevent objects such as guns or the like from closing the first pressure switches." .
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<http://webisa.webdatacommons.org/138843520>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .