2 minor spelling/punctuation
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As said by Tom, you should use a mask to spray indoor. It is quite convenient when you are alone but that does not protect your environment. Also don't forget that if youryou should be wearing a mask in a room, all the other breathing beings in that same room should do the same...

An alternative (or complement) is a spray booth which will catch the particles before they goes everywhere in your room. They are not too expensive (<100$), however, they take some space. It looks like thatthis:   

enter image description hereimage of a spray booth

Of course to be effective, you need that the exhaust tube to go outside...

One other downside is they are quite nosy..noisy. butBut if you already have your compressor running, it might not be an issue...

As said by Tom, you should use a mask to spray indoor. It is quite convenient when you are alone but that does not protect your environment. Also don't forget that if your should be wearing a mask in a room all the other breathing beings in that same room should do the same...

An alternative (or complement) is a spray booth which will catch the particles before they goes everywhere in your room. They are not too expensive (<100$) however they take some space. It looks like that:  enter image description here

Of course to be effective, you need that the exhaust tube to go outside...

One other downside is they are quite nosy... but if you already have your compressor running it might not be an issue...

As said by Tom, you should use a mask to spray indoor. It is quite convenient when you are alone but that does not protect your environment. Also don't forget that if you should be wearing a mask in a room, all the other breathing beings in that same room should do the same...

An alternative (or complement) is a spray booth which will catch the particles before they goes everywhere in your room. They are not too expensive (<100$), however, they take some space. It looks like this: 

image of a spray booth

Of course to be effective, you need that the exhaust tube to go outside...

One other downside is they are quite noisy. But if you already have your compressor running, it might not be an issue.

1
source | link

As said by Tom, you should use a mask to spray indoor. It is quite convenient when you are alone but that does not protect your environment. Also don't forget that if your should be wearing a mask in a room all the other breathing beings in that same room should do the same...

An alternative (or complement) is a spray booth which will catch the particles before they goes everywhere in your room. They are not too expensive (<100$) however they take some space. It looks like that: enter image description here

Of course to be effective, you need that the exhaust tube to go outside...

One other downside is they are quite nosy... but if you already have your compressor running it might not be an issue...