Review of Previous Lesson

Do's in HANDLING OF MEASURING TOOLS

• Avoid pulling the steel tape of pull-push rule too much to avoid the coil spring

• Wipe measuring tools/instruments before returning them to the storage

• Avoid wiping off edges of the steel tape of pull-push rule with bare hands to avoid injury.

• Put oil in the fixed parts of the measuring tools such as zigzag rules, calipers, and divider figurines.

Do's in HANDLING OF MEASURING TOOLS

• Check the lock of a pull-push rule if it is working.

• Do not pull the steel tape of pull-push rule too much to avoid the coil spring

• Avoid pulling the steel tape of pull-push rule too much to avoid the coil spring

• Make sure that grits like sand will get inside the housing or case of a pull push rule to avoid wearing off of the

  graduations.

Don'ts in HANDLING OF MEASURING TOOLS

• Make sure that grits like sand do not get inside the housing or case of a pull push rule to avoid wearing off of the

  graduations

• Do not pull the steel tape of pull-push rule too much to avoid the coil spring

• Wipe off edges of the steel tape of pull-push rule with bare hands to

  avoid injury

• Oil the movable parts of the measuring tools such as zigzag rules, calipers,

  dividers and compasses to avoid stock-up

Don'ts in HANDLING OF MEASURING TOOLS

• Wipe measuring tools/instruments before returning them to the storage

  room.

• Pull the steel tape of pull-push rule in regular mode to avoid the coil spring

• Do not wipe off edges of the steel tape of pull-push rule with bare hands to

  avoid injury.

• Check the lock of a pull-push rule if it is working.

Do's in HANDLING OF MEASURING TOOLS

• Do not wipe measuring tools/instruments before returning them to the storage

  room.

• Oil the movable parts of the measuring tools such as zigzag rules, calipers,

  dividers and compasses to stock-up.

• Do not pull the steel tape of pull-push rule too much to avoid the coil spring

• Make sure that grits like sand do not get inside the housing or case of a pull push rule to avoid wearing off of the

  graduations.