Englishfor English speakers
insertion
—
noun
the act of putting one thing into another
—
noun
(= interpolation)
a message (spoken or written) that is introduced or inserted
with the help of his friend's interpolations his story was eventually told
with many insertions in the margins
equipment
Noun
—
Your equipment is the things that you use to do a job or sport.
Soccer is a popular game because you need very little equipment to play--just a ball and an open space.
The soldiers had to carry all their equipment on their backs.
The computer equipment was old and often broke down.