Vocabulary:
key component — key = most important; essential
a coworker = colleague
optional = that you can choose to do or have if you want to
to get a good grip — grip = an act of holding somebody/something tightly; a particular way of doing this (to keep a tight grip/to loosen/relax one’s grip)
a blindfold = something that is put over somebody’s eyes so they cannot see
a minefield = a situation that contains hidden dangers or difficulties or a situation that contains hidden dangers or difficulties
an obstacle = a situation, an event, etc. that makes it difficult for you to do or achieve something
to squat (down) = to sit on your heels with your knees bent up close to your body (садиться на корточки)
to crawl = to move forward on your hands and knees, with your body close to the ground (ползти)
on the count of 3 — на счет 3
nerve-racking = making you feel very nervous and worried
proximity = the state of being near somebody/something in distance or time
in close proximity to each other
high five
countdown = the action of counting seconds backwards to zero
to conduct (the experiment) = to organize and/or do a particular activity
to lose/regain one’s composure — composure = the state of being calm and in control of your feelings or behaviour
to establish (trust ) = to start or create an organization, a system, etc. that is meant to last for a long time or to make people accept a belief, claim, custom etc.