Repetitive motion can cause injury . true
Only condoms can protect against an STI. Only condoms have been proven to reduce the risk of getting some STDs. According to the HHS Office on Women's Health, the male latex condom is the best method for protecting against STDs, including HIV/AIDS. Polyurethane condoms are an effective alternative if either partner has a latex allergy.
Answer:
Use the machine to maintain or decrease her intensity
Surgical scalpel is re useable because it can be easily sanitized