And if they are, does that apply to every type?
who knows, but i do know that you can get whatever you want printed on those tiny little M Ms. You can order a bag of MMs personalized.
Contrary to some of the other answers, you should not place carbon monoxide detectors next to the potential sources of carbon monoxide. You can get false readings. The most important area would be near the bedroom (or in each bedroom). One ideal placement would be at the top of the stairs (in a 2 floor house where the bedrooms are upstairs). The key here is near or in a location where people are sleeping. A secondary area would be a common living area (Near a den, living room..etc). I would buy the type that you plug in (or is hard wired if you are able) so that battery replacement is not an issue.
Because it has a high load rating. Crushers indicate high loads on the bearing.
