The hatch cover should always be lowered in position, never let fall, and the wing nuts should be screwed home hand-tight, not hammered home .
Isigqubuthelo sesivalo kumele sihlale sisezantsi, singaze zivunyelwe ukuba siwe, kwaye iimortyisi zephiko kumele siskrufelwe ngesandla, zingabethelelwa ngehamile.