Home Theater Projector Screens and Surfaces
The recent increased popularity of home video projectors and the large, clear images they can produce has led many new arrivals to the Home Theater realm to choose a video projector as their display device of choice. Video projector images look best when projected onto a properly matched screen surface. [...]

what is best fabric to make own projector screen? cotton, satin, or other?

you may want to try this stuff I have seen it and it looks good.
Vapex Fixed Frame Screens (How to Assemble & Install ) by Visual Apex (16:9 home theater screens)

CABLES TO GO 20-30 AWG 5-IN-1 PRECISION CUTTER/STRIPPER Black Soft Rubber [...]

HD ready is a label you have probably seen in various pieces of video equipment, for instance television sets or DVD players. If you are planning to purchase video equipment of any kind, you must be familiar with HD and HD ready, so you can make educated choices as a consumer.
The label ‘HD ready’ refers [...]

I want to introduct something about Computerized Electric Vertical Bed. Features: 1) Model no.: B-ZLC-02 2) Name: computerized electric vertical bed 3) Specification (cm): 190 x 110 x 211 4) Weight: 146.0kg 5) Rated load: 135.0kg 6) Power supply: 220V / 50Hz 7) Function: used for standing training of hemiplegia and paraplegia patient as [...]

what is Wireless microwave technology used in?

cell phones
beepers
laptops with wireless cards
LCD Projectors
all of the above?

I’d choose ‘all of the above’. Certainly the first three choices do. The projector would if it was wireless.
QVS VW-1P Air VGA

Cielux LUNE Color Changing RGB LED Mood Light with Intuitive Touch Controls

$135.00

The LUNE color changing [...]