drop shaft
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Shaft 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
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. {Drip},… … The Collaborative International Dictionary of English
Drop 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
Drop 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
Drop 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
Drop 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
Drop 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
Drop 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
Drop 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
Drop 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
Drop scene — 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
