Albert,Einstein,albert,einstein,physics,science,sciences,matter,energy,convert,conversions,converting,converts,conversion,converted,sandwich,sandwiches,walk,walks,walking,pedestrian,pedestrians,movement,motion,pun,puns,transport,transportation

plastic,plastics,plasticizer,plasticizers,body,bag,bags,bagging,garbage,waste,wasteful,landfill,dump,dumps,ocean,oceans,refuse,litter,littering,petroleum,oil,energy,bread,barf,vomit,sandwich,sandwiches,condom,condoms,rubber,rubbers,shopping,sex

sandwich,sandwiches,lunch,lunches,food,foods,eat,eats,eating,tomato,tomatoes,cheese,cheeses,bread,breads,lettuce,history,histories,timeline,timelines,time,line,lines,museum,museums,exhibit,exhibits,exhibitions,historical,method,date,dates