Large fragments can, with the aid of metal screws and pins, be reattached and set in place for healing.

借助金属螺母和大钉，大碎片可接合并且能够愈合。

youdao

Nails hold in wood, and screws hold in either wood or metal by reason of friction, without which they would be useless.

钉子能钉住木头，螺丝能拧住木头或金属，都是由于有摩擦力，如果没有摩擦力，它们就毫无用处。

youdao

Shengyi Metal Co., Ltd. is a Taiwanese manufacturer specializing in all kinds of self-drilling screws, wood screws, self-tapping screws, stainless steel self-drilling screws and drywall screws.

东莞市大朗胜益五金制品厂是一家专业生产各种钻尾螺丝、木螺丝、自攻尖尾螺丝、不锈钢钻尾螺丝、塑板螺丝、干壁螺丝的台湾企业。

youdao

The screws and much of the metal is titanium.

FORBES: Connect

The sunny patio is adorned with industrial art including massive, rusty metal sculptures of gears, screws, nuts and bolts.

BBC: Gateway to the Blue Ridge Mountains