Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Submersible shopping experience:
1. Compare - without doubt the biggest advantage that the Submersible offers shoppers today is the ability to compare thousands of Submersible at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Submersible? Wrong! If the Submersible is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Submersible then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Submersible? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Submersible and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Submersible wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Submersible then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Submersible site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Submersible, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Submersible, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
, lowered in a glass submersible
A
submersible is a type of underwater vessel with limited mobility which is typically transported to its area of operation by a surface vessel or large submarine. Apart from size, the technical difference between a 'submersible' and a 'submarine' is that submersibles are not totally autonomous. They may rely on a support facility or vessel for charging of batteries, high pressure air, high pressure oxygen replenishment, or all of these.
A submersible vessel has greater mobility, using
propeller or pump-jets, than submersible chambers (diving chambers or
diving bells), which are suspended from a cable and winch operated from the diving support vessel.
Operation
Submersibles differ from submarines in that submersibles typically have shorter range, and operate underwater almost exclusively, having little function at the surface. Many submersibles operate on a "tether" or "umbilical", remaining connected to a
tender (a submarine, surface vessel or platform).
ROVs
Small unmanned submersibles called "marine remotely operated vehicles" or
MROVs are widely used today to work in water too deep or too dangerous for divers.
Remotely operated vehicles (
ROVs) repair offshore petroleum platforms and attach cables to sunken ships to hoist them. Such remotely operated vehicles are attached by a tether (a thick cable providing power and communications) to control center on a ship. Operators on the ship see video images sent back from the robot and may control its propellers and manipulator arm. The wreck of the
RMS Titanic was explored by such a vehicle, as well as by a manned vessel.
Among the most famous submersibles is the deep-submergence research vessel DSV Alvin.
See also
External links
- Deep Flight Submersibles
- Information and pictures of Sport Submersibles
- U-Boat Worx - Personal Recreational Submersibles
- Personal Submersibles
, lowered in a glass submersible
A
submersible is a type of
underwater vessel with limited mobility which is typically transported to its area of operation by a surface vessel or large submarine. Apart from size, the technical difference between a 'submersible' and a 'submarine' is that submersibles are not totally autonomous. They may rely on a support facility or vessel for charging of batteries, high pressure air, high pressure oxygen replenishment, or all of these.
A submersible vessel has greater mobility, using
propeller or pump-jets, than
submersible chambers (diving chambers or diving bells), which are suspended from a cable and
winch operated from the
diving support vessel.
Operation
Submersibles differ from
submarines in that submersibles typically have shorter range, and operate underwater almost exclusively, having little function at the surface. Many submersibles operate on a "tether" or "umbilical", remaining connected to a tender (a submarine, surface vessel or platform).
ROVs
Small unmanned submersibles called "marine remotely operated vehicles" or
MROVs are widely used today to work in water too deep or too dangerous for divers.
Remotely operated vehicles (ROVs) repair offshore petroleum platforms and attach cables to sunken ships to hoist them. Such remotely operated vehicles are attached by a tether (a thick cable providing power and communications) to control center on a ship. Operators on the ship see video images sent back from the robot and may control its propellers and manipulator arm. The wreck of the
RMS Titanic was explored by such a vehicle, as well as by a manned vessel.
Among the most famous submersibles is the deep-submergence research vessel DSV Alvin.
See also
External links
- Deep Flight Submersibles
- Information and pictures of Sport Submersibles
- U-Boat Worx - Personal Recreational Submersibles
- Personal Submersibles
