Improving underwater vision using confocal imaging

A plastic screwstrip has a holding strip carrying a plurality of screws in a side-by-side relation as adapted for feeding, into an autofeed screwdriver. To assist in identifying which of two distal ends of the screwstrip are to be fed into the screwdriver and to assist in guiding the entry of the holding strip therein, a guide section of the holding strip forward of the first screw to be driven is provided at its front lead end with an arrow shaped forwardmost portion.

一种塑料螺丝条具有一个固定条，该固定条以并排的方式承载多个螺丝，以便能够送入自动送料螺丝刀中。为了帮助识别螺丝条的两个远端中哪一个应被送入螺丝刀，并协助引导固定条进入其中，在固定条上位于要拧入的第一个螺丝前方的导向部分，在其前端设有一个箭头形状的最前端部分。