This text is missing some spaces, please add them: Theymaybeplacedratherfarawaysoyoucanfollowthelightconeifthereissomemistorrainintheair.
They may be placed rather far away so you can follow the light cone if there is some mist or rain in the air.
This text is missing some spaces, please add them: Ifyoustopbreathingcompletelyortakelessthan25%ofanormalbreathforaperiodthatlasts10secondsormore,thisisanapnea.
If you stop breathing completely or take less than 25% of a normal breath for a period that lasts 10 seconds or more, this is an apnea.
This text is missing some spaces, please add them: Workedintheroundfromcuffanduptofingers.
Worked in the round from cuff and up to fingers.