Explanation

(a) (i) Specimen D is Disc ridger/ Disk ridger, Specimen E is Seed dril/ planter / seed planter.
(ii) Parts Labelled;

• I - Point of attachment to the tractor
• Il - Disc
• Ill - Roller
• íV - Hopper / Seed Box
• V - Furrow opener / opening device,
• VI- Seed tube.

(b) Description of each specimen:

D - Ridger:

• There are five discs ín the diagram,
• the two discs in each part face each other.
• it has a strong metal beam linkíng all the discs.
• the beam is connected through strong frames to a point of attachment to the tractor.
• the shape is longitudinally symmetrical,
• it is made entirely of strong metal.

E seed drill / planter:

• has a large container or hopper.
• has a ratchet inside the hopper / container,
• it has an agtato inside the hopperl contaíner,
• has spaced coulters / furrow openers in front of hopper.
• has a roller behind the furrow Overing device.
• has two (long) handles.
• the whole equipment is mounted on two wheels.

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