Plastic cup塑料杯

Sea urchin海胆

Hinge铰链

Brush刷子

Lubricating grease润滑油

Dish towel餐巾布

Metal components金属部件

Screw螺丝

Metal components金属组件

Screw螺丝

Hex screw六角螺丝

Metal components金属组件

Hex screw六角螺丝

Ball bearing滚珠轴承

Ball bearing滚珠轴承

Hazardous substances危险物质

Hazardous substances危险物质

Liquid液体

Beaker烧杯

Beaker烧杯

Liquid液体