French-English translations for piston

piston
us
Why ban single-engine piston aircraft from flying at an altitude of 500 metres when the ash was above 8 000 metres? Pourquoi interdire aux avions monomoteurs à pistons de voler à une altitude de 500 mètres alors que les cendres étaient à plus de 8 000 mètres?
dashpot

influence
us
I have absolutely no influence over himIm not able to exercise influence over himHe has been a great influence on the voters during the elections
Perinet valve
pig
us
The man kept a pen with two pigs that he fed from carrots to cabbageSome religions prohibit their adherents from eating pigYou gluttonous pig! Now that youve eaten all the cupcakes, there will be none for the party!
piston valve
plunger
schlep
us
Im exhausted after schlepping those packages around all dayI schlepped down to the store for some milkI just schlepped around the house on Sunday