You should put a waterproof material like cement board or waterproof membrane behind the shower surround to protect the walls from water damage.
In a 5.1 system, the speakers should be beside or behind you, ideally at ear level or above. In a 7.1 system, the left and right speakers should be beside you, and the read surrounds (or surround) behind you.
No you not have to put backer board behind the tub below the shower stall area. You only need to use it behind the walls of the shower stall.
fu....ck off
Usually you cut a hole on the other side of the wall behind the shower. Very often this is in a closet. If not, you can use the piece of sheetrock to make a door or put it back in place and retape the joints.
A premier bath contains a surround that can be put into your existing bathroom. It will slip over your bath tub and you will end up with a new shower and bathroom.
shower gel, foam soap
everyday when you shower right after you put shampoo in it
Put flour in her blow drier while she's taking a shower, and BAM, back in the shower again.
Both sisters should put their heads together and work as a team and have the baby shower for their sister. Both sisters should get equal thanks for their efforts.
Using a safety shower to put out a fire on clothing can actually spread the flames due to the water helping the fire to grow. Instead, one should stop, drop, and roll to smother the flames or use a fire blanket to extinguish the fire without further fueling it.
AC power can be placed wherever you want, but you should put it to the right or left of center of the TV's location, so that it will not interfere with the location of the wall bracket. You might also consider running an HDMI line from the same outlet to wherever the surround receiver will be.
If you put accelerator on, you should wait about a few hours. When I go tanning, I take a shower that morning, go tan sometime during the day, and wait to shower the next morning.