|
|
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
![It is important for new employees to know the location of all fire extinguishers. (B) Aim low toward ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_46_55_261151227.jpeg)
![It is important for new employees to know the location of all fire extinguishers. (C) Sweep the area ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_46_55_26116670.jpeg)
![Adjusting a valve takes both hands—one to hold the wrench to loosen and tighten the lock nut and ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_42_31_29752181.png)
![A backpressure tool can be made by using an oxygen sensor housing and using epoxy or braze to hold ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_21_58_301382068.png)