How could rescue workers use squeezing or compressing to get energy to their flashlights during rescue missions?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Apreheater involves the use of condensing steam at 100°c on the inside of a bank of tubes to heat air that enters at 1 atm and 25°c. the air moves at 5 m/s in cross flow over the tubes. each tube is 1 m long and has an outside diameter of 10 mm. what is the minimum value of nl needed to achieve an outlet temperature of t 75 c? what is the corresponding pressure drop across the tube bank?

List and describe the attached tools in boxford cnc milling machine? and how many tools were used in your projects explain them?