two times; twice; two degrees
sterilization; sterilisation; disinfection
key; lock; key (to a problem); clue
to open (a door, etc.); to unwrap (e.g. parcel, package); to open (for business, etc.); to empty; to remove; to move out; to clear out
concatenation; coupling; connection; linking; consolidation (e.g. of company accounts)
unit; (musical) group; band
exposure; laying bare; baring (e.g. skin); (photographic) exposure
area; vicinity; side; edge; circumstances
process; procedure; sequence; protocol; instruction
to make a mistake; to be incorrect; to be mistaken
through; throughout; in the course of; all over or throughout (e.g. a place)
to have been decided (so) that; to have been arranged (so) that; to be the result (of); to be the outcome; to be the reason (for)
attention; notice; care; caution; advice; warning
necessary; needed; essential; necessity; need; requirement
left hand; left-hand side; left-hand direction; (on) the left
to insert; to put in; to have a griping pain; to flow in; to shine in
machine; mechanism; instrument; appliance; apparatus
to put in; to let in; to admit; to accept; to accept; to comply; to include
right; right-hand side; afore-mentioned (esp. in vertical Japanese writing); foregoing; forgoing
slowly; unhurriedly; easily (e.g. in time); well; well (e.g. sleep); comfortably
replenishment; supplementation; supplement; replacement; refilling
lubricating oil; lubricant; lube; person or thing that makes things run smoothly; facilitator
to flow into; to pour into; to stream into
coincident with; while; simultaneously
to suck (or draw) out; to aspirate
to go; to move (in a direction or towards a specific location); to proceed; to take place; to pass through; to come and go; to walk
to say; to utter; to name; to call; to go (e.g. "the alarm went ping"); to make a noise
raindrops; falling drop of water; intravenous drip; IV; drip-feed
near; close; close (in time); soon; close (relationship); friendly
explanation; exposition; description; account; caption; legend
actually; really; truly; in practice; practically
cleaning; clean-up; garbage collection; scavenging