… of Part (b) are exempt from these requirements. It should be noted that the definition of synthetic rubber … have the advantage of being resistant to solvents. These should not be confused with the polysulphides of …
… with pointed, open‑hooked needles (sliding needles) and heald wire . These needles make it possible to form stitches … that the warp consists of a chain of crocheted loops which hold the weft yarns in position, sometimes forming a …
… a device for depositing the cut crop in rows across the field (mower‑windrowers and mower‑conditioners). (4) Hay … , for picking up and baling hay or straw left on the field. (8) Combine harvesters , which successively reap, …
