<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?a wananchi wanashauriwa baada ya tukio kuzima umeme katika majengo ili kuepuka kutokea kwa hitilafu ya umeme kwani mitetemo huenda ikaendelea tena.  <response>: c. measuring the deflection of the wafer when it is known that oxygen is absent from the chamber so that changes in the deflection due to the presence of oxygen can be detected. 