hessscrew

=By Jessica D,Ben K,Brianna S,Dalton A  = = = = Screws  = =  =


A screw is an incline plane wrapped around a pole which holds things together or lifts materials.It is a shaft with a vertical groove or thread formed on its surface and provision at one end to turn the screw. Here's some examples of a screw, //pencil sharpener//,//winding stair// //case//, 

 Some examples of screws: The closer the thread the easier the turn. >
 * 1) pencil sharpener
 * 2) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">screw
 * 3) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">lid
 * 4) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">meat grinder
 * 5) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">door lock
 * 6) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">submarine hatch
 * 7) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">cork screw
 * 8) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">swivel piano screw
 * 9) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">drills
 * 10) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">clamp
 * 11) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">stair case
 * 12) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">water slide
 * 13) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">slide
 * 14) <span style="color: rgb(128, 0, 0); background-color: rgb(0, 255, 0);">post hole digger