Yes, but, not recommended
The AC condensate drain line should be run to a safe location outside the building where it can drain freely without causing damage or creating a hazard.
It will not work, the ac unit needs to blow the heat removed from indoors to outdoors. Running a window ac unit without venting it outside will make the room hotter.
A seismic safe structure is one that can withstand earthquakes without collapsing. Two things that would help a building become seismic safe are a strong foundation designed to absorb and distribute seismic forces and the use of materials that can flex and bend without breaking during an earthquake.
To stay safe in extreme heat outside, it is important to stay hydrated by drinking plenty of water, wear light and loose clothing, use sunscreen, seek shade or air conditioning when possible, and avoid strenuous activities during the hottest parts of the day.
Barbecue grills are primarily designed to be used outside and in an open space. It is very unlikely that a grill will be safe to use inside a building. It is likely to present a significant fire safety hazard. When using any item such as this it is always important to read the manufacture's instruction guide.
Ultra heat treated milk can stay fresh without being stored in a fridge because it is heated at high temeratures, lowest of 135 degrees, all bacteria and any harmful micro-organisms are killed, so provided it is not exposed to other contaminants, it is safe outside of refrigeration for a short time.
They made them safe by building forts with soldiers in them.
It is safe to use an expired propane tank because it is a heat source and not an actual food. The only concern is if the tank is still safe to use without a risk of combusting.
The answer to that question depends on local laws and building codes where you live - it cannot be answered here.
Of course it isn't safe to put the dogs or puppies out there. If you don't know this, you shouldn't have pets. Perhaps you should place your husband outside with plenty of water and food and see if he is comfortable or safe there.
Yes, it is safe to use a broiler-safe pan for cooking at high temperatures. These pans are designed to withstand the intense heat of a broiler without warping or releasing harmful chemicals.
No,, the converter gets very hot and can cause a fire if no heat shield is in place.