Strange sign
From some guy’s flickr album:

សូមកុំនាំអេដស៍ចូលផ្ទះ
soum kom noəm eet coul pteəh
please don’t lead/allow aids into [your] home
ត្រូវប្រើស្រោមអនាម័យ!
trəw praə sraom anaamay
[must] use a condom (lit. “hygienic envelope”)!
From some guy’s flickr album:

សូមកុំនាំអេដស៍ចូលផ្ទះ
soum kom noəm eet coul pteəh
please don’t lead/allow aids into [your] home
ត្រូវប្រើស្រោមអនាម័យ!
trəw praə sraom anaamay
[must] use a condom (lit. “hygienic envelope”)!