crude but effective

For instance, it assembles crude but effective Qassam rockets with industrial metal piping and homemade fuel of potassium nitrate fertilizer and commercial explosives.

The one used Nov. 7 was typical of UAVs used in crude but effective one-way “kamikaze” strikes, he said.

The one used Nov. 7 was typical of UAVs used in crude but effective one-way “kamikaze” strikes, he said.

The Myanmar military’s disinformation was crude but effective.

During a half century of military rule, Myanmar’s totalitarian tools were crude but effective.