knives are highly flammable
Treif is a Yiddish word coming from the Hebrew word Trefah - טְרֵפָה Technically it means "torn" - and refers to an animal that was not ritually slaughtered, but instead was torn or ripped by an animal or knife.
If "nail mend paper" is anything like sandpaper, cutting it (with scissors) would abrade the scissors. Cutting it with a knife from the back or nonabrasive side would be all right.
When is torn or has torn straps, discolored.
When is torn or has torn straps, discolored.
Because food in a torn pack can be spoiled.
Not as far as nutritional value. Lettuce that is torn doesn't turn brown as fast though.
take him to the vet
Throw them out! :)
Replace it.
Discard it and get yourself a new one.
Discard and replace it- do not attempt to fix it
No, a dog should not walk on a torn ACL as it can cause further damage and pain. It is important to seek veterinary care for proper treatment.