When was the first space rocket built?

1274

---

What is a slined joint?

1067

---

How much is 1 kn in kg?

1104

---

How do you repair a hydraulic jack?

1060

---

What is a mechanism?

1096

---

What does f.o.f. Stand for in piping design?

1187

---

What are the minerals needed to make or build a car?

1124

---

Is a diesel engines maximum rpm limited by the diesel burn rate?

1069

---

What instrument in a car measures its speed?

1206

---

What is the difference between projectile motion and a rocket motion?

1118

---

What is the weight of 1m3 of seawater?

1032

---

What is a clock maker called?

1294

---

What is ferrite?

1314

---

What is difference between mill and mill-drill?

1044

---

What is brain of the computer?

1134

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