Problem: A man gives a tutorial on how to change a bike tube. The wheel is taken off, tire irons are put in, and the tube is removed. a new tube OPTIONS:
- is inserted and is pumped up.
- is placed, wheels are removed, and two toilet flushes are to be cleaned.
- is installed, set up and flipped over to remove any damaged nut.
- is inflated with oil, another tube is taken off, and a new tube is inflated, then the first one.

Answer: is inserted and is pumped up.

Problem: How to put on sterile gloves
Choose the proper glove size for you.
Sterile gloves come in a wide range of sizes. These can vary by company. OPTIONS:
- Variety of sizes allows you to get more control over when and how frequently you will purchase gloves and how often you will put on sterile gloves. If you are unfamiliar with the different measurement ranges, be familiar with the instruction handbook intended for each brand of sterile gloves you purchase.
- And since gloves tend to get dirtier, you may need a thick, contrasting pair with several different sizes. Sterile gloves meant for the work will all have stronger, more protective coverage.
- Most factory rubber gloves have an outer zipper. Fit your glove size correctly, so your glove isn't prone to opening open sores after you have removed and dried off your glove.
- Try on several different pairs of sterile gloves until you find the right fit. Once you've found the right fit, you will have to discard the gloves you tried on and put a new, fully-sterile pair on.

Answer: Try on several different pairs of sterile gloves until you find the right fit. Once you've found the right fit, you will have to discard the gloves you tried on and put a new, fully-sterile pair on.

Problem: How to change a cummins 12 valve thermostat
Disconnect the negative (black) cable from the engine's battery.
Drain the engine's coolant into a container.
Close the container as soon as liquid stops draining from the truck. OPTIONS:
- Reconnect the positive and negative terminals of the battery under the exhaust tubes by removing the negative (white) cable with the positive and negative terminal attached to the battery tubes. Clean out the drain tube tubes by pulling one fuse flush with a new fuse.
- Try this simpler method, but may seem old fashioned. Detach the radiator's fuel hose from the engine.
- Disconnect the motor shaft fittings from the engine. Fill the loading chamber with fresh fuel and oil.
- Lift the belt tensioner with a 3/8-inch (9.53 mm) breaker bar and remove the drive belt. Disconnect the engine's upper radiator hose from the thermostat's cover.
Answer: Lift the belt tensioner with a 3/8-inch (9.53 mm) breaker bar and remove the drive belt. Disconnect the engine's upper radiator hose from the thermostat's cover.