abundance
alkaline
background
batteries
battery
bright
capacity
cell
charge
choice
closeup
cropper
danger
different
discard
electric
electrical
electricity
electronics
energy
environment
garbage
grass
hazardous
heap
high
ideas
industry
many
material
metal
nobody
object
overhead
park
pile
pollution
power
recharge
rechargeable
recycling
rows
shape
storage
trash
used
variation
vibrant
waste