Which step in the engineering design phase is requiring concussion prevention from blows up to 40 mph an example of? target your customers

list the product goals

describe a product output

determine criteria and constraints

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives