drop shaft

  • 1Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …

    Wikipedia

  • 2Drop — (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf. {Drip},… …

    The Collaborative International Dictionary of English

  • 3Drop by drop — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 4Drop curtain — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 5Drop forging — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 6Drop hammer — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 7Drop kick — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 8Drop lake — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 9Drop letter — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

  • 10Drop press — Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre[ o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf.… …

    The Collaborative International Dictionary of English

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