B003 Assembly


No eating or drinking. Three horizontal lines representing a sandwich alongside a cup with straw.
No Food or Drink

Due to hazardous materials present in the space, food and drink consumption is prohibited.

General prohibition sign. Red circle with diagonal slash.
No Working Alone
Users of the space must always have at least one other person present with them while working in the space.

Personal Protective Equipment (PPE)

Wear eye protection. Human head (front view) wearing eye protection.

Safety Glasses

Safety glasses must be worn at all times.

Wear safety footwear. Two safety boots, one shown in front, the other shown behind (outlined).

Closed Toed Shoes

Closed toe shows must be worn at all times. 


Warning; Sharp element. Bandaged hand above a vertical line with a point.

Sharp Objects and Cutting Implements 

Many tools used in the space may present sharpness and cutting hazards both from the tool itself and the material it’s used with. 

Warning; Hot surface. Three parallel, vertical, s-shaped lines above a horizontal straight line.

Hot Surfaces

Printer outer surfaces and, especially, internal build chambers will become hot during use.

Warning; Toxic material. Skull (outlined), behind it two crossed bones (outlined).

Poisonous Substances

Many teams work with materials which are toxic when ingested. 

Warning; Crushing of hands. Hand between two horizontal lines, vertical arrow pointing downwards.

Entanglement & Pinching

Rotating tools used in the space may present entanglement and pinching hazards during operation.  

Warning; Flammable material. Flame, horizontal line underneath.

Combustible & Flammable Materials 

Many of the materials frequently utilized in the space present flammability hazards.