Anon Legion Sunglasses have lenses made from scratch resistant material.
"Made from scratch" in French is "fait maison" or "fait à partir de rien".
That depends what you scratch it with, what material the rock is made from, and how much force you apply when scratching.
they made crab cakes they also made biscuits from scratch just like corn bread they made crab cakes they also made biscuits from scratch just like corn bread
The scratch test, use a series of mineral with known hardness and scratch the mineral. From softest to hardest, and note where a scratch is made. You can also look for distinctive physical characteristics.
Scratch and scrimp
Ask God. No human has ever made one from scratch.
It's usually made out of latex.
When the dog wants to go out, she will scratch at the door. Did you scratch your arm climbing out of the tree? Please don't scratch your mosquito bites! Could you scratch my back?
I don't think it's a good idea. Scratch is made for the digestion of poultry, which is vastly different than the complicated gut of a horse. I'm all for giving my horses treats, but always apples, carrots or horse cookies made for horses. I would advise to leave the scratch to the chickens.
feldspar, quartz, topaz, corundum, diamond.... Diamond will diffidently scratch glass its also made to cut glass if you get tech with it. (alyssamc6)
You can make the satellite from scratch easily. Radio Amateur groups have made many. I cannot address the launch vehicle. Most such "home made" satellites are granted a 'ride' on an existing commercial launch.