Learn about how you can start your marine biology training right at community college! If you have a love of the ocean and a fascination with the creatures that live within its depths, a career in marine biology might be the right choice for you.
1 Ladder chain, a light wire chain used with sprockets for low torque power transmission. 2  Lavatory chain, the chain attached to the cistern of an old-fashioned W.C. in which the flushing power is obtained by a gravity feed from above-head height.
Urinary catheterisation - Types. Types of urinary catheter. There are several different types of urinary catheter, which are inserted and used in different ways. The main types of catheter are outlined below. You can also read a summary of the pros and cons of the different types of catheter, allowing you to compare your treatment options.