RE: Simpson Mending Plate for custom made wood truss. I think boo1 pretty welled summed it up. Based on experience my opinion would be that the liability you would be taking on if you try to show that the mend plates work, would be too high.
Isoniazid is often used as a protective treatment to reduce the risk of TB. D100 might be a medicine called doxycycline, which is a drug used to treatment many different things. Please ask your doctor or pharmacist to talk about this. These people will help you understand your medicine and what it is being used for.
The pharmacist suggested me that this drug (Isoniazid) should be taking with Vitamin B6 for the best absorption. My question is did my doctor forget to give me a prescription for vitamin B6 or I don't need the Vitamin B6 for Isoniazid. I do know that Vitamin B6 may or maynot have a reversed reaction of Isoniazid.